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Dr Asma Khalil

Honorary Professor of Obstetrics and Maternal Medicine
Asma Khalil is a consultant obstetrician at St George's Hospital andProfessor at St George's Medical School, University of London.

Asma Khalil is a Professor of Obstetrics and Maternal Fetal Medicine at St George’s Hospital, University of London. She is the Obstetric Lead of the National Maternity and Perinatal Audit (NMPA). She gained her MD(Res) at the University of London in 2008. She also has a Masters degree in Epidemiology from the London School of Hygiene & Tropical Medicine and an MRC scholarship. She is a subspecialist in Maternal and Fetal Medicine. Since 2008, she has maintained busy clinical (Obstetrics, Fetomaternal Medicine), research and teaching roles. Asma is the Lead for the Twin and Multiple Pregnancy service at St George’s Hospital. She also leads the Reproductive Health Research Group at St George’s Hospital.

Asma Khalil is a Professor of Obstetrics and Maternal Fetal Medicine at St George’s Hospital, University of London. She is the Obstetric Lead of the National Maternity and Perinatal Audit (NMPA). She gained her MD(Res) at the University of London in 2008. She also has a Masters degree in Epidemiology from the London School of Hygiene & Tropical Medicine and an MRC scholarship. She is a subspecialist in Maternal and Fetal Medicine. Since 2008, she has maintained busy clinical (Obstetrics, Fetomaternal Medicine), research and teaching roles. Asma is the Lead for the Twin and Multiple Pregnancy service at St George’s Hospital. She also leads the Reproductive Health Research Group at St George’s Hospital.

She has published more than 350 peer reviewed papers, and many published review articles and chapters. She was awarded many research prizes, both at national and international meetings. Her research interests include twin pregnancy, fetal growth restriction, hypertensive disorders in pregnancy and infections in pregnancy.

She is passionate about innovation. She is the inventor of the HAMPTON, which is an award-winning digital innovation which enables pregnant women to monitor their blood pressure safely at home. She is a National Innovation Accelerator (NIA) Fellow.

She is committed to the implementation of clinical guidelines in practice and believes that they could reduce inequalities in care across the NHS. She had a three year Fellowship with NICE and has been a member of the NICE Clinical Standards and Expert Advisor to the NICE Centre for Clinical guidelines.

She is an Editor for the Ultrasound on obstetrics and Gynecology Journal. She is an International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) Trustee and is an Ambassador to North Africa and the Middle East. She works closely with the Twins trust Charity and together has set up the world-first Twins Trust Centre for Research and Clinical Excellence at St George’s Hospital.

Peer-reviewed publications in scientific journals

Peer Reviewed Scientific Papers, including in the following high impact scientific journals:

1. Madhi SA, Polack FP, Piedra PA, Munoz FM, Trenholme AA, Simoes EAF, Swamy GK, Ahmed K, Baqui AH, Calvert A, Cotton MF, Cutland CL, Englund JA, Gonik B, Hammitt L, Heath PT, de Jesus JN, Jones CE, Khalil A, et al. Vaccination of pregnant women with respiratory syncytial virus vaccine and protection of their infants. N Engl J Med. 2020; 383(5): 426–439. Published online 2020 Jul 30. doi: 10.1056/NEJMoa1908380.

2. Khalil A, Hill R, Ladhani S, Pattisson K, O’Brien P. Severe acute respiratory syndrome coronavirus 2 in pregnancy: symptomatic pregnant women are only the tip of the iceberg. Am J Obstet Gynecol. 2020; 223(2): 296–297. Published online 2020 May 7. doi: 10.1016/j.ajog.2020.05.005.

3. Khalil A, Kalafat E, Benlioglu C, O'Brien P, Morris E, Draycott T, Thangaratinam S, Le Doare K, Heath P, Ladhani S, von Dadelszen P, Magee LA. SARS-CoV-2 infection in pregnancy: A systematic review and meta-analysis of clinical features and pregnancy outcomesEClinicalMedicine. 2020: 100446. doi: 10.1016/j.eclinm.2020.100446 [Epub ahead of print].

4. Magee LA, Khalil A, von Dadelszen P. Pregnancy hypertension diagnosis and care in COVID‐19 era and beyondUltrasound Obstet Gynecol. 2020: 10.1002/uog.22115. doi: 10.1002/uog.22115 [Epub ahead of print].

5. Tollenaar LSA, Lopriore E, Faiola S, Lanna M, Stirnemann J, Ville Y, Lewi L, Devlieger R, Weingertner AS, Favre R, Hobson SR, Ryan G, Rodo C, Arévalo S, Klaritsch P, Greimel P, Hecher K, Tavares de Sousa M, Khalil A, et al. Post-Laser Twin Anemia Polycythemia Sequence: Diagnosis, Management, and Outcome in an International Cohort of 164 Cases. J Clin Med. 2020; 9(6): 1759. Published online 2020 Jun 5. doi: 10.3390/jcm9061759.

6. Magee LA, Khalil A, Kametas N, Peter Von Dadelszen P. Towards personalized management of chronic hypertension in pregnancy. Am J Obstet Gynecol. 2020 Jul 18 doi: 10.1016/j.ajog.2020.07.026 [Epub ahead of print].

7. Antonakopoulos N, Pateisky P, Liu B, Kalafat E, Thilaganathan B, Khalil A. Selective Fetal Growth Restriction in Dichorionic Twin Pregnancies: Diagnosis, Natural History, and Perinatal Outcome. J Clin Med. 2020; 9(5): 1404. Published online 2020 May 9. doi: 10.3390/jcm9051404.

8. Khalil A, Hill R, Ladhani S, Pattisson K, O'Brien P. COVID-19 screening of health-care workers in a London maternity hospital. Lancet Infect Dis. 2020 May 18 doi: 10.1016/S1473-3099(20)30403-5 [Epub ahead of print].

9. Di Mascio D, Khalil A, Saccone G, Rizzo G, Buca D, Liberati M, Vecchiet J, Nappi L, Scambia G, Berghella V, D’Antonio F. Outcome of coronavirus spectrum infections (SARS, MERS, COVID-19) during pregnancy: a systematic review and meta-analysis. Am J Obstet Gynecol MFM. 2020; 2(2): 100107. Published online 2020 Mar 25. doi: 10.1016/j.ajogmf.2020.100107.

10. Eckert LO, Jones CE, Kachikis A, Bardají A, Da Silva FT, Absalon J, Rouse CE, Khalil A, Cutland CL, Kochhar S, Munoz FM. Obstetrics risk Assessment: Evaluation of selection criteria for vaccine research studies in pregnant womenVaccine. 2020; 38(29): 4542–4547. Published online 2020 May 11. doi: 10.1016/j.vaccine.2020.05.022.

11. Melchiorre K, Thilaganathan B, Giorgione V, Ridder A, Memmo A, Khalil A. Hypertensive Disorders of Pregnancy and Future Cardiovascular HealthFront Cardiovasc Med. 2020; 7: 59. Published online 2020 Apr 15. doi: 10.3389/fcvm.2020.00059.

12. Abid N, Embola J, Tryfonos Z, Bercher J, Ashton SV, Khalil A, Thilaganathan B, Cartwright JE, Whitley GS. Regulation of stanniocalcin-1 secretion by BeWo cells and first trimester human placental tissue from normal pregnancies and those at increased risk of developing preeclampsiaFaseb J. 2020; 34(5): 6086–6098. Published online 2020 Mar 12. doi: 10.1096/fj.201902426R.

13. Vieira MC, Relph S, Copas A, Healey A, Coxon K, Alagna A, Briley A, Johnson M, Lawlor DA, Lees C, Marlow N, McCowan L, Page L, Peebles D, Shennan A, Thilaganathan B, Khalil A, Sandall J, Pasupathy D, on behalf of the DESiGN Collaborative Group. The DESiGN trial (DEtection of Small for Gestational age Neonate), evaluating the effect of the Growth Assessment Protocol (GAP): study protocol for a randomised controlled trial. Trials. 2019; 20: 154. Published online 2019 Mar 4. doi: 10.1186/s13063-019-3242-6.

14. Binder J, Carta S, Carvalho JS, Kalafat E, Khalil A, Thilaganathan B. Evidence for uteroplacental malperfusion in fetuses with major congenital heart defectsPLoS One. 2020; 15(2): e0226741. Published online 2020 Feb 5. doi: 10.1371/journal.pone.0226741.

15. Duffy J, Cairns AE, Richards-Doran D, van 't Hooft J, Gale C, Brown M, Chappell LC, Grobman WA, Fitzpatrick R, Karumanchi SA, Khalil A, Lucas DN, Magee LA, Mol BW, Stark M, Thangaratinam S, Wilson MJ, von Dadelszen P, Williamson PR, Ziebland S, McManus RJ; International Collaboration to Harmonise Outcomes for Pre-eclampsia (iHOPE). A core outcome set for pre-eclampsia research: an international consensus development study. BJOG. 2020 May 16. doi: 10.1111/1471-0528.16319. Online ahead of print.

16. Kalafat E, Benlioglu C, Thilaganathan B, Khalil A. Home blood pressure monitoring in the antenatal and postpartum period: A systematic review meta-analysis. Pregnancy Hypertens. 2020;19:44-51. doi: 10.1016/j.preghy.2019.12.001. Epub 2020 Jan 2.

17. Carreras-Abad C, Cochet M, Hall T, Ramkhelawon L, Khalil A, Peregrine E, Vinayakarao L, Sivarajan S, Hamid R, Planche T, Sheridan E, Winchester S, Plumb J, Djennad A, Andrews N, Le Doare K, Heath P. Developing a serocorrelate of protection against invasive group B streptococcus disease in pregnant women: a feasibility study.

Health Technol Assess. 2019; 23(67): 1–40. doi: 10.3310/hta23670.

18. Khalil A, Duffy JMN, Perry H, Ganzevoort W, Reed K, Baschat AA, Deprest J, Gratacos E, Hecher K, Lewi L, Lopriore E, Oepkes D, Papageorghiou A, Gordijn SJ, On behalf of the International Collaboration to Harmonise Outcomes for Selective Fetal Growth Restriction (CHOOSE-FGR). Study protocol: developing, disseminating, and implementing a core outcome set for selective fetal growth restriction in monochorionic twin pregnancies. Trials. 2019; 20: 35. Published online 2019 Jan 9. doi: 10.1186/s13063-018-3153-y.

19. Tucker KL, Bankhead C, Hodgkinson J, Roberts N, Stevens R, Heneghan C, Rey E, Lo C, Chandiramani M, Taylor RS, North RA, Khalil A, Marko K, Waugh J, Brown M, Crawford C, Taylor KS, Mackillop L, McManus RJ. How Do Home and Clinic Blood Pressure Readings Compare in Pregnancy?: A Systematic Review and Individual Patient Data Meta-Analysis. Hypertension. 2018; 72(3): 686–694. Published online 2018 Aug 6. doi: 10.1161/HYPERTENSIONAHA.118.10917.

20. Schlaudecker EP, Munoz FM, Bardají A, Boghossian NS, Khalil A, Mousa H, Nesin M, Nisar MI, Pool V, Spiegel HML, Tapia MD, Kochhar S, Black S, For The Brighton Collaboration Small for Gestational Age Working Group. Small for gestational age: Case definition & guidelines for data collection, analysis, and presentation of maternal immunisation safety data. Vaccine. 2017; 35(48Part A): 6518–6528. doi: 10.1016/j.vaccine.2017.01.040.

21. Easter SR, Eckert LO, Boghossian N, Spencer R, Oteng-Ntim E, Ioannou C, Patwardhan M, Harrison MS, Khalil A, Gravett M, Goldenberg R, McKelvey A, Gupta M, Pool V, Robson SC, Joshi J, Kochhar S, McElrath T, The Brighton Collaboration Fetal Growth Restriction Working Group. Fetal growth restriction: Case definition & guidelines for data collection, analysis, and presentation of immunization safety data. Vaccine. 2017; 35(48Part A): 6546–6554. doi: 10.1016/j.vaccine.2017.01.042.

21. Allotey J, Snell KIE, Chan C, Hooper R, Dodds J, Rogozinska E, Khan KS, Poston L, Kenny L, Myers J, Thilaganathan B, Chappell L, Mol BW, Von Dadelszen P, Ahmed A, Green M, Poon L, Khalil A, Moons KGM, Riley RD, Thangaratinam S, for the IPPIC Collaborative Network. External validation, update and development of prediction models for pre-eclampsia using an Individual Participant Data (IPD) meta-analysis: the International Prediction of Pregnancy Complication Network (IPPIC pre-eclampsia) protocol. Diagn Progn Res. 2017; 1: 16. Published online 2017 Oct 3. doi: 10.1186/s41512-017-0016-z.

22. D'Antonio F, Benlioglu C, Sileo FG, Thilaganathan B, Papageorghiou A, Bhide A, Khalil A. Perinatal outcomes of twin pregnancies affected by early twin-twin transfusion syndrome: A systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2020 Mar 11. doi: 10.1111/aogs.13840. Online ahead of print.

23. Lopriore E, Lewi L, Khalil A. Monochorionic Twins: A Delicate BalanceJ Clin Med. 2019; 8(10): 1711. Published online 2019 Oct 17. doi: 10.3390/jcm8101711.

24. Oeser C, Aarons E, Heath PT, Johnson K, Khalil A, Knight M, Lynn RM, Morgan D, Pebody R. Surveillance of congenital Zika syndrome in England and Wales: methods and results of laboratory, obstetric and paediatric surveillanceEpidemiol Infect. 2019; 147: e262. Published online 2019 Sep 4. doi: 10.1017/S0950268819001535.

25. Knol M, Wang H, Bloomfield F, Piet T, Damhuis S, Khalil A, Ganzevoort W, Gordijn S.

Development of a Core Outcome Set and Minimum Reporting Set for intervention studies in growth restriction in the NEwbOrN (COSNEON): study protocol for a Delphi studyTrials. 2019; 20: 511. Published online 2019 Aug 17. doi: 10.1186/s13063-019-3588-9.

26. Muglu J, Rather H, Arroyo-Manzano D, Bhattacharya S, Balchin I, Khalil A, Thilaganathan B, Khan KS, Zamora J, Thangaratinam S. Risks of stillbirth and neonatal death with advancing gestation at term: A systematic review and meta-analysis of cohort studies of 15 million pregnanciesPLoS Med. 2019; 16(7): e1002838. Published online 2019 Jul 2. doi: 10.1371/journal.pmed.1002838.

27. Coroyannakis C, Khalil A. Management of Hypertension in the Obese Pregnant Patient.

Curr Hypertens Rep. 2019; 21(3): 24. Published online 2019 Mar 26. doi: 10.1007/s11906-019-0927-x.

28. Townsend R, Khalil A. Ultrasound surveillance in twin pregnancy: An update for practitioners. Ultrasound. 2018; 26(4): 193–205. Published online 2018 Aug 22. doi: 10.1177/1742271X18794013.

29. Stock SJ, Witherspoon LM, Boyd KA, Morris RK, Dorling J, Jackson L, Chandiramani M, David AL, Khalil A, Shennan A, Morton VH, Lavender T, Khan K, Harper-Clarke S, Mol B, Riley RD, Norrie J, Norman J. Study protocol: quantitative fibronectin to help decision-making in women with symptoms of preterm labour (QUIDS) part 2, UK Prospective Cohort Study. BMJ Open. 2018; 8(4): e020795. Published online 2018 Apr 19. doi: 10.1136/bmjopen-2017-020795.

30. Stock SJ, Witherspoon LM, Boyd KA, Morris RK, Dorling J, Jackson L, Chandiramani M, David AL, Khalil A, Shennan A, Morton VH, Lavender T, Khan K, Harper-Clarke S, Mol B, Riley RD, Norrie J, Norman J. Quantitative fibronectin to help decision-making in women with symptoms of preterm labour (QUIDS) part 1: Individual participant data meta-analysis and health economic analysis. BMJ Open. 2018; 8(4): e020796. Published online 2018 Apr 7. doi: 10.1136/bmjopen-2017-020796.

31. Khalil A, Perry H, Duffy J, Reed K, Baschat A, Deprest J, Hecher K, Lewi L, Lopriore E, Oepkes D, On behalf of the International Collaboration to Harmonise Outcomes for Twin–Twin Transfusion Syndrome (CHOOSE). Twin–Twin Transfusion Syndrome: study protocol for developing, disseminating, and implementing a core outcome set. Trials. 2017; 18: 325. Published online 2017 Jul 14. doi: 10.1186/s13063-017-2042-0.

32. Canoy D, Cairns BJ, Balkwill A, Wright FL, Khalil A, Beral V, Green J, Reeves G. Hypertension in pregnancy and risk of coronary heart disease and stroke: A prospective study in a large UK cohort. Int J Cardiol. 2016; 222: 1012–1018. doi: 10.1016/j.ijcard.2016.07.170.

33. Coroyannakis C, Khalil A. Management of Hypertension in the Obese Pregnant Patient. Curr Hypertens Rep. 2019; 21(3): 24. Published online 2019 Mar 26. doi: 10.1007/s11906-019-0927-x.

34. Amaefule CE, Drymoussi Z, Dodds J, Sweeney L, Pizzo E, Daru J, Robson J, Poston L, Khalil A, Myers J, Harden A, Hitman GA, Khan K, Zamora J, Huda MSB, Thangaratinam S. Effectiveness and acceptability of myo-inositol nutritional supplement in the prevention of gestational diabetes (EMmY): a protocol for a randomised, placebo-controlled, double-blind pilot trial. BMJ Open. 2018; 8(9): e022831. Published online 2018 Sep 24. doi: 10.1136/bmjopen-2018-022831.

35. Papageorghiou AT, Khalil A, Forman M, Hulme R, Mazey R, Mousa HA, Johnstone ED, McKelvey A, Cohen KE, Risley M, Denman W, Kelly B. Clinical evaluation of the IONA test: a non‐invasive prenatal screening test for trisomies 21, 18 and 13. Ultrasound Obstet Gynecol. 2016; 47(2): 188–193. Published online 2015 Dec 28. doi: 10.1002/uog.15791.

36. Pardy C, D'Antonio F, Khalil A, Giuliani S. Prenatal detection of esophageal atresia: A systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2019;98(6):689-699. doi: 10.1111/aogs.13536. Epub 2019 Mar 6.

37. Townsend R, Khalil A, Premakumar Y, Allotey J, Snell KIE, Chan C, Chappell LC, Hooper R, Green M, Mol BW, Thilaganathan B, Thangaratinam S; IPPIC Network. Prediction of pre-eclampsia: review of reviews. Ultrasound Obstet Gynecol. 2019;54(1):16-27. doi: 10.1002/uog.20117.

38. Sharp A, Jackson R, Cornforth C, Harrold J, Turner MA, Kenny L, Baker PN, Johnstone ED, Khalil A, von Dadelszen P, Papageorghiou AT, Alfirevic Z. A prediction model for short-term neonatal outcomes in severe early-onset fetal growth restriction. Eur J Obstet Gynecol Reprod Biol. 2019;241:109-118. doi: 10.1016/j.ejogrb.2019.08.007. Epub 2019 Aug 16.

39. Caissutti C, Familiari A, Khalil A, Flacco ME, Manzoli L, Scambia G, Cagnacci A, D'antonio F. Small fetal thymus and adverse obstetrical outcome: a systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2018;97(2):111-121. doi: 10.1111/aogs.13249. Epub 2017 Dec 6.

40. Healy P, Gordijn SJ, Ganzevoort W, Beune IM, Baschat A, Khalil A, Kenny L, Bloomfield FH, Daly M, Kirkham J, Devane D, Papageorghiou AT. A Core Outcome Set for the prevention and treatment of fetal GROwth restriction: deVeloping Endpoints: the COSGROVE study. Am J Obstet Gynecol. 2019;221(4):339.e1-339.e10. doi: 10.1016/j.ajog.2019.05.039. Epub 2019 May 29.

41. Duhig KE, Seed PT, Myers JE, Bahl R, Bambridge G, Barnfield S, Ficquet J, Girling JC, Khalil A, Shennan AH, Chappell LC, Hunter RM. Placental growth factor testing for suspected pre-eclampsia: a cost-effectiveness analysis. BJOG. 2019;126(11):1390-1398. doi: 10.1111/1471-0528.15855. Epub 2019 Jul 17.

42. Khalil A, Gordijn S, Ganzevoort W, Thilaganathan B, Johnson A, Baschat A, Hecher K, Reed K, Lewi L, Deprest J, Oepkes D, Lopriore E. Consensus diagnostic criteria and monitoring of twin anemia polycythemia sequence: a Delphi procedure. Ultrasound Obstet Gynecol. 2019 Oct 12. doi: 10.1002/uog.21882. Online ahead of print.

43. Khalil A, Perry H, Lanssens D, Gyselaers W. Telemonitoring for hypertensive disease in pregnancy. Expert Rev Med Devices. 2019;16(8):653-661. doi: 10.1080/17434440.2019.1640116. Epub 2019 Jul 18.

44. Di Mascio D, Buca D, Khalil A, Rizzo G, Makatsariya A, Sileo F, Liberati M, Benedetti Panici P, Acharya G, D'Antonio F. Outcome of isolated fetal talipes: A systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2019;98(11):1367-1377. doi: 10.1111/aogs.13637. Epub 2019 Jun 6.

45. Salomon LJ, Alfirevic Z, Da Silva Costa F, Deter RL, Figueras F, Ghi T, Glanc P, Khalil A, Lee W, Napolitano R, Papageorghiou A, Sotiriadis A, Stirnemann J, Toi A, Yeo G. ISUOG Practice Guidelines: ultrasound assessment of fetal biometry and growth. Ultrasound Obstet Gynecol. 2019;53(6):715-723. doi: 10.1002/uog.20272.

46. Buca DIP, Khalil A, Rizzo G, Familiari A, Di Giovanni S, Liberati M, Murgano D, Ricciardulli A, Fanfani F, Scambia G, D'Antonio F. Outcome of prenatally diagnosed fetal heterotaxy: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2018;51(3):323-330. doi: 10.1002/uog.17546.

47. Leombroni M, Khalil A, Liberati M, D'Antonio F. Fetal midline anomalies: Diagnosis and counselling Part 1: Corpus callosum anomalies. Eur J Paediatr Neurol. 2018;22(6):951-962. doi: 10.1016/j.ejpn.2018.08.007. Epub 2018 Oct 21.

48. Kalafat E, Gokce A, O'Brien P, Benlioglu C, Koc A, Karaaslan O, Khalil A. Efficacy of carbetocin in the prevention of postpartum hemorrhage: a systematic review and Bayesian meta-analysis of randomized trialsJ Matern Fetal Neonatal Med. 2019 Sep 19:1-14. doi: 10.1080/14767058.2019.1664463.

49. Kalafat E, Khalil A. Clinical significance of cerebroplacental ratio. Curr Opin Obstet Gynecol. 2018;30(6):344-354. doi: 10.1097/GCO.0000000000000490.

50. Leombroni M, Buca D, Liberati M, Falò E, Rizzo G, Khalil A, Manzoli L, Flacco ME, Santarelli A, Makatsariya A, Frondaroli F, D'Antonio F. Post-partum pelvic floor dysfunction assessed on 3D rotational ultrasound: a prospective study on women with first- and second-degree perineal tears and episiotomy. J Matern Fetal Neonatal Med. 2019 Jul 10:1-11. doi: 10.1080/14767058.2019.1609932.

51. Di Mascio D, Acharya G, Khalil A, Odibo A, Prefumo F, Liberati M, Buca D, Manzoli L, Flacco ME, Brunelli R, Benedetti Panici P, D'Antonio F. Birthweight discordance and neonatal morbidity in twin pregnancies: A systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2019;98(10):1245-1257. doi: 10.1111/aogs.13613. Epub 2019 May 23.

52. Kalafat E, Leslie K, Bhide A, Thilaganathan B, Khalil A. Pregnancy outcomes following home blood pressure monitoring in gestational hypertension. Pregnancy Hypertens. 2019;18:14-20. doi: 10.1016/j.preghy.2019.07.006. Epub 2019 Jul 15.

53. Gyselaers W, Lanssens D, Perry H, Khalil A. Mobile Health Applications for Prenatal Assessment and Monitoring. Curr Pharm Des. 2019;25(5):615-623. doi: 10.2174/1381612825666190320140659.

54. Leruez-Ville M, Khalil A, Kagan KO, Donner C, Lazzarotto T, Ville Y. Antenatal screening for cytomegalovirus infection: to know the chance, the chance to know. Lancet Child Adolesc Health. 2019;3(10):675-677. doi: 10.1016/S2352-4642(19)30271-8.

55. Glinianaia SV, Rankin J, Khalil A, Binder J, Waring G, Sturgiss SN, Thilaganathan B, Hannon T. Prevalence, antenatal management and perinatal outcome of monochorionic monoamniotic twin pregnancy: a collaborative multicenter study in England, 2000-2013. Ultrasound Obstet Gynecol. 2019;53(2):184-192. doi: 10.1002/uog.19114.

56. D'Amico A, Buca D, Rizzo G, Khalil A, Silvi C, Makatsariya A, Nappi L, Liberati M, D'Antonio F. Outcome of fetal echogenic bowel: a systematic review and meta-analysis. Prenat Diagn. 2020 Jan 25. doi: 10.1002/pd.5638.

57. Melchor JC, Khalil A, Wing D, Schleussner E, Surbek D. Prediction of preterm delivery in symptomatic women using PAMG-1, fetal fibronectin and phIGFBP-1 tests: systematic review and meta-analysis. . Ultrasound Obstet Gynecol. 2018;52(4):442-451. doi: 10.1002/uog.19119.

58. Perry H, Lehmann H, Mantovani E, Thilaganathan B, Khalil A. Are maternal hemodynamic indices markers of fetal growth restriction in pregnancies with a small-for-gestational-age fetus? Ultrasound Obstet Gynecol. 2020;55(2):210-216. doi: 10.1002/uog.20419.

59. D'Antonio F, Iacovelli A, Liberati M, Leombroni M, Murgano D, Cali G, Khalil A, Flacco ME, Scutiero G, Iannone P, Scambia G, Manzoli L, Greco P. Role of interventional radiology in pregnancy complicated by placenta accreta spectrum disorder: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2019;53(6):743-751. doi: 10.1002/uog.20131.

60. Sotiriadis A, Hernandez-Andrade E, da Silva Costa F, Ghi T, Glanc P, Khalil A, Martins WP, Odibo AO, Papageorghiou AT, Salomon LJ, Thilaganathan B; ISUOG CSC Pre-eclampsia Task Force. ISUOG Practice Guidelines: role of ultrasound in screening for and follow-up of pre-eclampsia. Ultrasound Obstet Gynecol. 2019;53(1):7-22. doi: 10.1002/uog.20105. Epub 2018 Oct 15.

61. Khalil A, Gordijn SJ, Beune IM, Wynia K, Ganzevoort W, Figueras F, Kingdom J, Marlow N, Papageorghiou AT, Sebire N, Zeitlin J, Baschat AA. Essential variables for reporting research studies on fetal growth restriction: a Delphi consensus. Ultrasound Obstet Gynecol. 2019;53(5):609-614. doi: 10.1002/uog.19196.

62. Iacovelli A, Liberati M, Khalil A, Timor-Trisch I, Leombroni M, Buca D, Milani M, Flacco ME, Manzoli L, Fanfani F, Calì G, Familiari A, Scambia G, D'Antonio F. Risk factors for abnormally invasive placenta: a systematic review and meta-analysis. J Matern Fetal Neonatal Med. 2020;33(3):471-481. doi: 10.1080/14767058.2018.1493453.

63. D'Antonio F, Odibo A, Berghella V, Khalil A, Hack K, Saccone G, Prefumo F, Buca D, Liberati M, Pagani G, Acharya G. Perinatal mortality, timing of delivery and prenatal management of monoamniotic twin pregnancy: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2019;53(2):166-174. doi: 10.1002/uog.20100.

64. Di Mascio D, Sileo FG, Khalil A, Rizzo G, Persico N, Brunelli R, Giancotti A, Panici PB, Acharya G, D'Antonio F. Role of magnetic resonance imaging in fetuses with mild or moderate ventriculomegaly in the era of fetal neurosonography: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2019;54(2):164-171. doi: 10.1002/uog.20197.

65. Bascietto F, Khalil A, Rizzo G, Makatsariya A, Buca D, Silvi C, Ucci M, Liberati M, Familiari A, D'Antonio F. Prenatal imaging features and postnatal outcomes of isolated fetal duplex renal collecting system: A systematic review and meta-analysis. Prenat Diagn. 2020;40(4):424-431. doi: 10.1002/pd.5622. Epub 2020 Jan 28.

65. Sharp A, Cornforth C, Jackson R, Harrold J, Turner MA, Kenny L, Baker PN, Johnstone ED, Khalil A, von Dadelszen P, Papageorghiou AT, Alfirevic Z. Mortality in the UK STRIDER trial of sildenafil therapy for the treatment of severe early-onset fetal growth restriction. Lancet Child Adolesc Health. 2019 Mar;3(3):e2-e3. doi: 10.1016/S2352-4642(19)30020-3.

66. Townsend R, D'Antonio F, Sileo FG, Kumbay H, Thilaganathan B, Khalil A. Perinatal outcome of monochorionic twin pregnancy complicated by selective fetal growth restriction according to management: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2019 Jan53(1):36-46. doi: 10.1002/uog.20114.

67. Curado J, D'antonio F, Papageorghiou AT, Bhide A, Thilaganathan B, Khalil A. Perinatal mortality and morbidity in triplet pregnancy according to chorionicity: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2019;54(5):589-595. doi: 10.1002/uog.20209.

68. Buddeberg BS, Sharma R, O'Driscoll JM, Kaelin Agten A, Khalil A, Thilaganathan B. Impact of gestational diabetes mellitus on maternal cardiac adaptation to pregnancy. Ultrasound Obstet Gynecol. 2020;56(2):240-246. doi: 10.1002/uog.21941.

69. Khalil A, Sharp A, Cornforth C, Jackson R, Mousa H, Stock S, Harrold J, Turner MA, Kenny LC, Baker PN, Johnstone ED, Von Dadelszen P, Magee L, Papageorghiou AT, Alfirevic Z. Effect of sildenafil on maternal hemodynamics in pregnancies complicated by severe early-onset fetal growth restriction: planned subgroup analysis from a multicenter randomized placebo-controlled double-blind trial. Ultrasound Obstet Gynecol. 2020;55(2):198-209. doi: 10.1002/uog.20851.

70. Lam JR, Liu B, Bhate R, Fenwick N, Reed K, Duffy JMN, Khalil A; Global Twins and Multiples Priority Setting Partnership Collaborators. Research priorities for the future health of multiples and their families: The Global Twins and Multiples Priority Setting Partnership. Ultrasound Obstet Gynecol. 2019;54(6):715-721. doi: 10.1002/uog.20858. Epub 2019 Oct 10.

71. Perry H, Gutierrez J, Binder J, Thilaganathan B, Khalil A. Maternal arterial stiffness in hypertensive pregnancies with and without small-for-gestational-age neonate. Ultrasound Obstet Gynecol. 2020 Jul;56(1):44-50. doi: 10.1002/uog.21893. Epub 2020 May 30.

72. Leombroni M, Khalil A, Liberati M, D'Antonio F. Fetal midline anomalies: Diagnosis and counselling part 2: Septal anomalies. Eur J Paediatr Neurol. 2018;22(6):963-971. doi: 10.1016/j.ejpn.2018.10.003. Epub 2018 Nov 8.

73. Marleen S, Hettiarachchi J, Dandeniya R, Macgreggor R, Aquilina J, Khalil A, Vogel J, Betrán AP, Thangaratinam S. Maternal clinical predictors of preterm birth in twin pregnancies: A systematic review involving 2,930,958 twin pregnancies. Eur J Obstet Gynecol Reprod Biol. 2018;230:159-171. doi: 10.1016/j.ejogrb.2018.09.025. Epub 2018 Sep 15. PMID: 30292096

74. Glinianaia SV, Rankin J, Khalil A, Binder J, Waring G, Curado J, Pateisky P, Thilaganathan B, Sturgiss SN, Hannon T; NorSTAMP collaborators. Effect of monochorionicity on perinatal outcomes and growth discordance in triplet pregnancies: a collaborative multicentre study in England, 2000-2013. Ultrasound Obstet Gynecol. 2020 Jan 29. doi: 10.1002/uog.21987. Online ahead of print.

75. Webster LM, Myers JE, Nelson-Piercy C, Mills C, Watt-Coote I, Khalil A, Seed PT, Cruickshank JK, Chappell LC. Longitudinal changes in vascular function parameters in pregnant women with chronic hypertension and association with adverse outcome: a cohort study. Ultrasound Obstet Gynecol. 2019;53(5):638-648. doi: 10.1002/uog.19021. Epub 2019 Mar 14.

76. Morlando M, Buca D, Timor-Tritsch I, Cali G, Palacios-Jaraquemada J, Monteagudo A, Khalil A, Cennamo C, La Manna V, Liberati M, D'Amico A, Nappi L, Colacurci N, D'Antonio F. Reproductive outcome after cesarean scar pregnancy: A systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2020 May 18. doi: 10.1111/aogs.13918. Online ahead of print.

77. Buddeberg BS, Sharma R, O'Driscoll JM, Kaelin Agten A, Khalil A, Thilaganathan B. Cardiac maladaptation in term pregnancies with preeclampsia. Pregnancy Hypertens. 2018;13:198-203. doi: 10.1016/j.preghy.2018.06.015. Epub 2018 Jun 23.

78. Binder J, Monaghan C, Thilaganathan B, Morales-Roselló J, Khalil A. Reduced fetal movements and cerebroplacental ratio: evidence for worsening fetal hypoxemia. Ultrasound Obstet Gynecol. 2018;51(3):375-380. doi: 10.1002/uog.18830.

79. Mascio DD, Khalil A, D'Amico A, Buca D, Panici PB, Flacco ME, Manzoli L, Liberati M, Nappi L, Berghella V, D'Antonio F. Outcome of twin-twin transfusion syndrome according to the Quintero stage of the disease: A systematic review and meta-analysis. 

Ultrasound Obstet Gynecol. 2020 Apr 24. doi: 10.1002/uog.22054. Online ahead of print.

80. Wilcox CR, Calvert A, Metz J, Kilich E, MacLeod R, Beadon K, Heath PT, Khalil A, Finn A, Snape MD, Vandrevala T, Nadarzynski T, Coleman MA, Jones CE. Attitudes of Pregnant Women and Healthcare Professionals Toward Clinical Trials and Routine Implementation of Antenatal Vaccination Against Respiratory Syncytial Virus: A Multicenter Questionnaire Study. Pediatr Infect Dis J. 2019;38(9):944-951. doi: 10.1097/INF.0000000000002384.

81. Wilcox CR, Calvert A, Metz J, Kilich E, MacLeod R, Beadon K, Heath PT, Khalil A, Finn A, Snape MD, Vandrevala T, Nadarzynski T, Coleman MA, Jones CE. Determinants of Influenza and Pertussis Vaccination Uptake in Pregnancy: A Multicenter Questionnaire Study of Pregnant Women and Healthcare Professionals. Pediatr Infect Dis J. 2019;38(6):625-630. doi: 10.1097/INF.0000000000002242.

82. Perry H, Khalil A, Thilaganathan B. Non-invasive cardiac output monitoring (NICOM®) can predict the evolution of uteroplacental disease-Results of the prospective HANDLE study. Letter to the Editor. Eur J Obstet Gynecol Reprod Biol. 2018;220:135. doi: 10.1016/j.ejogrb.2017.11.005.

83. Guy GP, Leslie K, Diaz Gomez D, Forenc K, Buck E, Khalil A, Thilaganathan B. Implementation of routine first trimester combined screening for pre-eclampsia: a clinical effectiveness study. BJOG. 2020 Jul 1. doi: 10.1111/1471-0528.16361. Online ahead of print.

84. Perry H, Binder J, Kalafat E, Jones S, Thilaganathan B, Khalil A. Angiogenic Marker Prognostic Models in Pregnant Women With Hypertension. Hypertension. 2020;75(3):755-761. doi: 10.1161/HYPERTENSIONAHA.119.13997. Epub 2020 Jan 27.

85 Buddeberg BS, Sharma R, O'Driscoll JM, Kaelin Agten A, Khalil A, Thilaganathan B.. Cardiac maladaptation in obese pregnant women at term. Ultrasound Obstet Gynecol. 2019;54(3):344-349. doi: 10.1002/uog.20170.

86. Osman MW, Nath M, Khalil A, Webb DR, Robinson TG, Mousa HA. Haemodynamic differences amongst women who were screened for gestational diabetes in comparison to healthy controls. Pregnancy Hypertens. 2018;14:23-28. doi: 10.1016/j.preghy.2018.07.007. Epub 2018 Jul 27.

87. Kalafat E, Ozturk E, Sivanathan J, Thilaganathan B, Khalil A. Longitudinal change in cerebroplacental ratio in small-for-gestational-age fetuses and risk of stillbirth. Ultrasound Obstet Gynecol. 2019;54(4):492-499. doi: 10.1002/uog.20193.

88. Curado J, Sileo F, Bhide A, Thilaganathan B, Khalil A. Early- and late-onset selective fetal growth restriction in monochorionic diamniotic twin pregnancy: natural history and diagnostic criteria. Ultrasound Obstet Gynecol. 2020;55(5):661-666. doi: 10.1002/uog.20849. Epub 2020 Apr 3.

89. Perry H, Lehmann H, Mantovani E, Thilaganathan B, Khalil A. Correlation between central and uterine hemodynamics in hypertensive disorders of pregnancy. Ultrasound Obstet Gynecol. 2019;54(1):58-63. doi: 10.1002/uog.19197.

90. Bhide A, Laoreti A, Kaelin Agten A, Papageorghiou A, Khalil A, Uprichard J, Thilaganathan B, Chandraharan E. Lower uterine segment placental thickness in women with abnormally invasive placenta. Acta Obstet Gynecol Scand. 2019;98(1):95-100. doi: 10.1111/aogs.13422. Epub 2018 Aug 2.

91. Buca D, Iacovella C, Khalil A, Rizzo G, Sirotkina M, Makatsariya A, Liberati M, Silvi C, Acharya G, D'Antonio F. Perinatal outcome of pregnancies complicated by placental chorioangioma: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2020;55(4):441-449. doi: 10.1002/uog.20304.

92. Sileo FG, Duffy JMN, Townsend R, Khalil A. Variation in outcome reporting across studies evaluating interventions for selective fetal growth restriction.Ultrasound Obstet Gynecol. 2019;54(1):10-15. doi: 10.1002/uog.19192.

93. Liu B, Khalil A. Time to update our counselling on the association of fetal structural abnormalities with aneuploidy. Ultrasound Obstet Gynecol. 2019 Nov 25. doi: 10.1002/uog.21934. Online ahead of print.

94. Buca D, Winberg P, Rizzo G, Khalil A, Liberati M, Makatsariya A, Greco F, Nappi L, Acharya G, D'Antonio F. Prenatal risk factors for urgent atrial septostomy at birth in fetuses with transposition of the great arteries: a systematic review and meta-analysis. J Matern Fetal Neonatal Med. 2020 Feb 10:1-9. doi: 10.1080/14767058.2020.1725883.

95. Finazzo F, D'antonio F, Masselli G, Forlani F, Palacios-Jaraquemada J, Minneci G, Gambarini S, Timor-Tritsch I, Prefumo F, Buca D, Liberati M, Khalil A, Cali G. Interobserver agreement in MRI assessment of severity of placenta accreta spectrum disorders. Ultrasound Obstet Gynecol. 2020;55(4):467-473. doi: 10.1002/uog.20381.

96. Laoreti A, Thilaganathan B, Kaelin Agten A, Papageorghiou A, Khalil A, Uprichard J, Chandraharan E, Bhide A. Placental thickness in the lower uterine segment and invasive placentation: Will the promise live up? Acta Obstet Gynecol Scand. 2019;98(2):266. doi: 10.1111/aogs.13460. Epub 2018 Oct 16.

97. Vandrevala T, Barber V, Calvert A, Star C, Khalil A, Griffiths P, Heath PT, Jones CE. Understanding pregnant women's readiness to engage in risk-reducing measures to prevent infections during pregnancy. J Health Psychol. 2019 Nov 5:1359105319884609. doi: 10.1177/1359105319884609. Online ahead of print.

98. Townsend R, Sileo F, Stocker L, Kumbay H, Healy P, Gordijn S, Ganzevoort W, Beune I, Baschat A, Kenny L, Bloomfield F, Daly M, Devane D, Papageorghiou A, Khalil A. Variation in outcome reporting in randomized controlled trials of interventions for prevention and treatment of fetal growth restriction. Ultrasound Obstet Gynecol. 2019;53(5):598-608. doi: 10.1002/uog.20189. Epub 2019 Apr 2.

99. Sileo FG, Di Mascio D, Rizzo G, Caulo M, Manganaro L, Bertucci E, Masmejan S, Liberati M, D'Amico A, Nappi L, Buca D, Van Mieghem T, Khalil A, D'Antonio F. Role of prenatal magnetic resonance imaging in fetuses with isolated agenesis of corpus callosum in the era of fetal neurosonography: a systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2020 Jul 11. doi: 10.1111/aogs.13958. Online ahead of print.

100. Familiari A, Khalil A, Rizzo G, Odibo A, Vergani P, Buca D, Hidaka N, Di Mascio D, Nwabuobi C, Simeone S, Mecacci F, Visentin S, Cosmi E, Liberati M, D'Amico A, Flacco ME, Martellucci CA, Manzoli L, Nappi L, Iacovella C, Bahlmann F, Melchiorre K, Scambia G, Berghella V, D'Antonio F. Adverse intrapartum outcome in pregnancies complicated by small for gestational age and late fetal growth restriction undergoing induction of labor with Dinoprostone, Misoprostol or mechanical methods: A systematic review and meta-analysis. 

Eur J Obstet Gynecol Reprod Biol. 2020 Jul 18;252:455-467. doi: 10.1016/j.ejogrb.2020.07.020.

101. Di Mascio D, Khalil A, Rizzo G, Buca D, Liberati M, Martellucci CA, Flacco ME, Manzoli L, D'Antonio F. Risk of fetal loss following amniocentesis or chorionic villous sampling in twin pregnancies: a systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2020 Jul 6. doi: 10.1002/uog.22143. Online ahead of print.

102. Gutierrez J, Perry H, Columb M, Bampoe S, Thilaganathan B, Khalil A. Cardiac output measurements during high-risk Cesarean section using electrical bioreactance or arterial waveform analysis: assessment of agreement. Ultrasound Obstet Gynecol. 2019;54(2):232-238. doi: 10.1002/uog.20142. Epub 2019 Jul 11.

103. Saccone G, Khalil A, Thilaganathan B, Glinianaia SV, Berghella V, D'Antonio F; MONOMONO, NorSTAMP and STORK research collaboratives. Weight discordance and perinatal mortality in monoamniotic twin pregnancy: analysis of MONOMONO, NorSTAMP and STORK multiple-pregnancy cohorts. Ultrasound Obstet Gynecol. 2020;55(3):332-338. doi: 10.1002/uog.20357. Epub 2020 Feb 13.

104. Fratelli N, Amighetti S, Bhide A, Fichera A, Khalil A, Papageorghiou AT, Prefumo F, Thilaganathan B. Ductus venosus Doppler waveform pattern in fetuses with early growth restriction. Acta Obstet Gynecol Scand. 2020;99(5):608-614. doi: 10.1111/aogs.13782. Epub 2019 Dec 22.

105. Sileo FG, Kulkarni A, Branescu I, Homfray T, Dempsey E, Mansour S, Thilaganathan B, Bhide A, Khalil A. Non-immune fetal hydrops: etiology and outcome according to gestational age at diagnosis. Ultrasound Obstet Gynecol. 2020 Mar 20. doi: 10.1002/uog.22019. Online ahead of print.

106. Perry H, Binder J, Gutierrez J, Thilaganathan B, Khalil A. Maternal haemodynamic function differs in pre-eclampsia when it is associated with a small-for-gestational-age newborn: a prospective cohort study. BJOG. 2020 Apr 20. doi: 10.1111/1471-0528.16269. Online ahead of print.

107. Kalafat E, Barratt I, Nawaz A, Thilaganathan B, Khalil A. Maternal cardiovascular function and risk of intrapartum fetal compromise in women undergoing induction of labor: pilot study. Ultrasound Obstet Gynecol. 2020;56(2):233-239. doi: 10.1002/uog.21918. Epub 2020 Jul 10.

108. Tollenaar LSA, Slaghekke F, Lewi L, Ville Y, Lanna M, Weingertner A, Ryan G, Arévalo S, Khalil A, Brock CO, Klaritsch P, Hecher K, Gardener G, Bevilacqua E, Kostyukov KV, Bahtiyar MO, Kilby MD, Tiblad E, Oepkes D, Lopriore E; collaborators. Treatment and outcome in 370 cases with spontaneous or post-laser twin anemia polycythemia sequence managed in 17 different fetal therapy centers. Ultrasound Obstet Gynecol. 2020 Apr 14. doi: 10.1002/uog.22042. Online ahead of print.

109. Khalil A, Hill R, Wright A, Ladhani S, O'Brien P. SARS-CoV-2-specific antibody detection in healthcare workers in a UK maternity Hospital: Correlation with SARS-CoV-2 RT-PCR results. Clin Infect Dis. 2020 Aug 8:ciaa893. doi: 10.1093/cid/ciaa893. Online ahead of print.

110. Johnson S, Liu B, Kalafat E, Thilaganathan B, Khalil A. Maternal and Perinatal Outcomes of White Coat Hypertension During Pregnancy: A Systematic Review and Meta-Analysis. Hypertension. 2020;76(1):157-166. doi:10.1161/HYPERTENSIONAHA.119.14627. Epub 2020 May 26.

111. Calí G, Timor-Tritsch IE, Forlani F, Palacios-Jaraquemada J, Monteagudo A, Kaelin Agten A, Flacco ME, Khalil A, Buca D, Manzoli L, Liberati M, D'Antonio F. Value of first-trimester ultrasound in prediction of third-trimester sonographic stage of placenta accreta spectrum disorder and surgical outcome. Ultrasound Obstet Gynecol. 2020;55(4):450-459. doi: 10.1002/uog.21939.

112. Kalafat E, Morales-Rosello J, Scarinci E, Thilaganathan B, Khalil A. Risk of operative delivery for intrapartum fetal compromise in small-for-gestational-age fetuses at term: external validation of the IRIS algorithm. J Matern Fetal Neonatal Med. 2020;33(16):2775-2784. doi: 10.1080/14767058.2018.1560412.

113. Khalil A, Giallongo E, Bhide A, Papageorghiou A, Thilaganathan B. Reduction in twin stillbirth following implementation of NICE guidance. Ultrasound Obstet Gynecol. 2020 Apr 18. doi: 10.1002/uog.22051. Online ahead of print.

114. Barber V, Calvert A, Vandrevala T, Star C, Khalil A, Griffiths P, Heath PT, Jones CE. Prevention of Acquisition of Cytomegalovirus Infection in Pregnancy Through Hygiene-based Behavioral Interventions: A Systematic Review and Gap Analysis. Pediatr Infect Dis J. 2020 Jun 3. doi: 10.1097/INF.0000000000002763. Online ahead of print.

115. Buca D, Di Mascio D, Khalil A, Acharya G, Van Mieghem T, Hack K, Murata M, Anselem O, D'Amico A, Muzii L, Liberati M, Nappi L, D'Antonio F. Neonatal Morbidity of Monoamniotic Twin Pregnancies: A Systematic Review and Meta-analysis. Am J Perinatol. 2020 Jul 28. doi: 10.1055/s-0040-1714420. Online ahead of print.

116. Khalil A, von Dadelszen P, Draycott T, Ugwumadu A, O'Brien P, Magee L. Change in the Incidence of Stillbirth and Preterm Delivery During the COVID-19 Pandemic. JAMA. 2020 Jul 10. doi: 10.1001/jama.2020.12746. Online ahead of print.

117. Khalil A, Sotiriadis A, Chaoui R, da Silva Costa F, D'Antonio F, Heath PT, Jones C, Malinger G, Odibo A, Prefumo F, Salomon LJ, Wood S, Ville Y. ISUOG Practice Guidelines: role of ultrasound in congenital infection. Ultrasound Obstet Gynecol. 2020 Jul;56(1):128-151. doi: 10.1002/uog.21991. Epub 2020 May 13.

118. Kalafat E, Khalil A. Umbilicocerebral ratio: potential implications of inversing the cerebroplacental ratio. Ultrasound Obstet Gynecol. 2020;56(2):159-162. doi: 10.1002/uog.21985.

119. Magee LA, Khalil A, von Dadelszen P. Covid-19: UK Obstetric Surveillance System (UKOSS) study in context. BMJ. 2020 Jul 27;370:m2915. doi: 10.1136/bmj.m2915.

120. Townsend R, Duffy JMN, Khalil A. Increasing value and reducing research waste in obstetrics: towards woman-centered research. Ultrasound Obstet Gynecol. 2020;55(2):151-156. doi: 10.1002/uog.20294.

121. Kalafat E, Kalaylioglu Z, Thilaganathan B, Khalil A. Is umbilicocerebral ratio better than cerebroplacental ratio for predicting adverse pregnancy and neonatal outcomes? Am J Obstet Gynecol. 2020 Apr 18:S0002-9378(20)30434-8. doi: 10.1016/j.ajog.2020.04.009.

122. Liu B, Sebghati M, Khalil A. Why not plan an elective Caesarean section for breech presentation at term - safety first? Eur J Obstet Gynecol Reprod Biol. 2020 Apr 21:S0301-2115(20)30166-4. doi: 10.1016/j.ejogrb.2020.03.050. Online ahead of print.

123. von Dadelszen P, Khalil A, Wolfe I, Kametas NA, O'Brien P, Magee LA. "Women and children last"-effects of the covid-19 pandemic on reproductive, perinatal, and paediatric health. BMJ. 2020 Jun 10;369:m2287. doi: 10.1136/bmj.m2287.

124. Kalafat E, Perry H, Bowe S, Thilaganathan B, Khalil A. Prognostic Value of Maternal Cardiovascular Hemodynamics in Women With Gestational Hypertension and Chronic Hypertension in Pregnancy. Hypertension. 2020;76(2):506-513. doi: 10.1161/HYPERTENSIONAHA.120.14982. Epub 2020 Jun 15.

125. Binder J, Palmrich P, Pateisky P, Kalafat E, Kuessel L, Zeisler H, Munkhbaatar M, Windsperger K, Thilaganathan B, Khalil A. The Prognostic Value of Angiogenic Markers in Twin Pregnancies to Predict Delivery Due to Maternal Complications of Preeclampsia. 

Hypertension. 2020;76(1):176-183. doi: 10.1161/HYPERTENSIONAHA.120.14957. Epub 2020 May 26.

126. Kalafat E, Abiola A, Thilaganathan B, Bhide A, Khalil A. The Association Between Hypertension in Pregnancy and Preterm Birth with Fetal Growth Restriction in Singleton and Twin Pregnancy: Use of Twin Versus Singleton Charts. J Clin Med. 2020 Aug 5;9(8):E2518. doi: 10.3390/jcm9082518.

127. Sebghati M, Khalil A. New evidence on prognostic features, prevention and treatment of congenital Cytomegalovirus infection. Curr Opin Obstet Gynecol. 2020 Jul 27. doi: 10.1097/GCO.0000000000000651. Online ahead of print.

128. Tollenaar LSA, Slaghekke F, Lewi L, Colmant C, Lanna M, Weingertner AS, Ryan G, Arévalo S, Klaritsch P, De Sousa MT, Khalil A, Papanna R, Gardener GJ, Bevilacqua E, Kostyukov KV, Bahtiyar MO, Kilby MD, Tiblad E, Oepkes D, Lopriore E. Spontaneous Twin Anemia Polycythemia Sequence: Diagnosis, Management and Outcome in an International Cohort of 249 Cases. Am J Obstet Gynecol. 2020 Jul 27:S0002-9378(20)30773-0. doi: 10.1016/j.ajog.2020.07.041.

129. Kalafat E, Ozturk E, Kalaylioglu Z, Akkaya AD, Khalil A. Re: Ratio of umbilical and cerebral artery pulsatility indices in assessment of fetal risk: numerator and denominator matter. Ultrasound Obstet Gynecol. 2020;56(2):290-292. doi: 10.1002/uog.22139.

130. Bascietto F, Liberati M, Marrone L, Khalil A, Pagani G, Gustapane S, Leombroni M, Buca D, Flacco ME, Rizzo G, Acharya G, Manzoli L, D'Antonio F. Outcome of fetal ovarian cysts diagnosed on prenatal ultrasound examination: systematic review and meta-analysis. 

Ultrasound Obstet Gynecol. 2017;50(1):20-31. doi: 10.1002/uog.16002. Epub 2017 Jun 7.

131. Khalil A. Unprecedented fall in stillbirth and neonatal deaths in twins: lessons from the United Kingdom. Ultrasound Obstet Gynecol. 2018 Aug 27. doi: 10.1002/uog.20107. [Epub ahead of print]

132. Healy P, Gordijn S, Ganzevoort W, Beune I, Baschat A, Khalil A, Kenny L, Bloomfield F, Daly M, Papageorghiou A, Devane D. Core Outcome Set for GROwth restriction: deVeloping Endpoints (COSGROVE).Trials. 2018;19:451.

133. Khalil A, Thilaganathan B. Selective fetal growth restriction in a monochorionic twin pregnancy: a Dilemma for clinicians and a challenge for researchers.Ultrasound Obstet Gynecol. 2018 Aug 20. doi: 10.1002/uog.20093. [Epub ahead of print]

134. D'Antonio F, Odibo A, Berghella V, Khalil A, Hack K, Saccone G, Prefumo F, Buca D, Liberati M, Pagani G, Acharya G. Perinatal mortality, timing of delivery and prenatal management of monoamniotic twin pregnancies: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2018 Aug 20. doi: 10.1002/uog.20100. [Epub ahead of print]

135. Khalil A, Gordijn SJ, Beune IM, Wynia K, Ganzevoort W, Figueras F, Kingdom J, Marlow N, Papageorghiou AT, Sebire N, Zeitlin J, Baschat AA; Fetal Growth Restriction Minimum Reporting Set Working Group. Essential variables for reporting research studies on fetal growth restriction - a Delphi consenus. Ultrasound Obstet Gynecol. 2018 Aug 19. doi: 10.1002/uog.19196. [Epub ahead of print]

136. Perry H, Lehmann H, Mantovani E, Thilaganathan B, Khalil A. Correlation between central and uterine haemodynamics in hypertensive disorders of pregnancy. Ultrasound Obstet Gynecol. 2018 Aug 6. doi: 10.1002/uog.19197. [Epub ahead of print]

137. Sileo FG, Duffy JMN, Townsend R, Khalil A. Addressing the variation in outcome reporting in high risk twin studies: The key to reducing research waste and improving clinical care. Ultrasound Obstet Gynecol. 2018 Aug 6. doi: 10.1002/uog.19192. [Epub ahead of print]

138. Bhide A, Laoreti A, Agten AK, Papageorghiou A, Khalil A, Uprichard J, Thilaganathan B, Chandraharan E. Lower uterine segment placental thickness in women with abnormally invasive placenta. Acta Obstet Gynecol Scand. 2018 Jul 6. doi: 10.1111/aogs.13422. [Epub ahead of print]

139. Iacovelli A, Liberati M, Khalil A, Timor-Trisch I, Leombroni M, Buca D, Milani M, Flacco ME, Manzoli L, Fanfani F, Calì G, Familiari A, Scambia G, D'Antonio F. Risk factors for abnormally invasive placenta: a systematic review and meta-analysis. J Matern Fetal Neonatal Med. 2018;22:1-11. doi: 10.1080/14767058.2018.1493453. [Epub ahead of print]

140. Melchor JC, Khalil A, Wing D, Schleussner E, Surbek D. Prediction of preterm delivery in symptomatic women using placental alpha-microglobulin-1, fetal fibronectin and phosphorylated insulin-like growth factor-binding protein-1 tests: systematic review and meta-analysis stratified by risk. Ultrasound Obstet Gynecol. 2018 Jun 19. doi: 10.1002/uog.19119. [Epub ahead of print]

141. ecPAM SV, Rankin J, Khalil A, Binder J, Waring G, Sturgiss SN, Thilaganathan B, Hannon T. Prevalence, antenatal management and perinatal outcomes of monochorionic monoamniotic twin pregnancies: a collaborative multicentre study in England, 2000-2013. Ultrasound Obstet Gynecol. 2018 Jun 13. doi: 10.1002/uog.19114. [Epub ahead of print]

142. Perry H, Khalil A, Thilaganathan B. Preeclampsia and the cardiovascular system: An update.Trends Cardiovasc Med. 2018 May 15. pii: S1050-1738(18)30059-8. doi: 10.1016/j.tcm.2018.04.009. [Epub ahead of print]

143. Kalafat E, Mir I, Perry H, Thilaganathan B, Khalil A. Is Home Blood Pressure Monitoring in Hypertensive Disorders of Pregnancy Consistent with Clinic Recordings? Ultrasound Obstet Gynecol. 2018 May 22. doi: 10.1002/uog.19094. [Epub ahead of print]

144. Kalafat E, Sukur YE, Abdi A, Thilaganathan B, Khalil A. Metformin for the prevention of hypertensive disorders of pregnancy in women with gestational diabetes and obesity: a systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2018 May 10. doi: 10.1002/uog.19084. [Epub ahead of print]

145. Monaghan C, Kalafat E, Binder J, Thilaganathan B, Khalil A. Prediction of adverse pregnancy outcome in monochorionic- diamniotic twin pregnancies complicated by selective fetal growth restriction. Ultrasound Obstet Gynecol. 2018 Apr 28. doi: 10.1002/uog.19078. [Epub ahead of print]

146. Townsend R, Khalil A. Fetal growth restriction in twins. Best Pract Res Clin Obstet Gynaecol. 2018;49:79-88.

147. Stock SJ, Witherspoon LM, Boyd KA, Morris RK, Dorling J, Jackson L, Chandiramani M, David AL, Khalil A, Shennan A, Hodgetts Morton V, Lavender T, Khan K, Harper-Clarke S, Mol B, Riley RD, Norrie J, Norman J. Study protocol: quantitative fibronectin to help decision-making in women with symptoms of preterm labour (QUIDS) part 2, UK Prospective Cohort Study. BMJ Open. 2018 19;8:e020795.

148. Townsend R, Khalil A.Ultrasound screening for complications in twin pregnancy.Semin Fetal Neonatal Med2018;23:133-141.

149. Sharp A, Cornforth C, Jackson R, Harrold J, Turner MA, Kenny LC, Baker PN, Johnstone ED, Khalil A, von Dadelszon P, Papageorghiou AT, Alfirevic Z, on behalf of the STRIDER group. Maternal sildenafil for severe fetal growth restriction (STRIDER): a multicentre, randomised, placebo-controlled, double-blind trial. Lancet Child Adolesc Health. 2018;2:93-102.

150. Kalafat E, Morales-Rosello J, Thilaganathan B, Tahera F, Khalil A. Risk of operative delivery for intrapartum fetal compromise in small-for-gestational-age fetuses at term: an internally validated prediction model. Am J Obstet Gynecol. 2018;218:134.e1-134.e8.

151. Kalafat E, Morales-Rosello J, Thilaganathan B, Dhother J, Khalil A. Risk of neonatal care unit admission in small for gestational age fetuses at term: a prediction model and internal validation. J Matern Fetal Neonatal Med. 2018 Feb 15:1-8. [Epub ahead of print].

152. Kalafat E, Laoreti A, Khalil A, Da Silva Costa F, Thilaganathan B. Ophthalmic Artery Doppler Prediction of Preeclampsia: A Systematic Review and Meta-Analysis. Ultrasound Obstet Gynecol. 2018 Jan 12. [Epub ahead of print].

153. Monaghan G, Perry H, Sheehan E, Thilaganathan B, Fordham R, Khalil A. Home blood-pressure monitoring in a hypertensive pregnant population: cost minimisation study. Ultrasound Obstet Gynecol. 2018 Mar 8. [Epub ahead of print].

154. Perry H, Sheehan E, Thilaganathan B, Khalil A. Home blood-pressure monitoring in a hypertensive pregnant population. Ultrasound Obstet Gynecol. 2018 Feb 22. doi: 10.1002/uog.19023. [Epub ahead of print].

155. Kalafat E, Sebghati M, Thilaganathan B, Khalil A; Southwest Thames Obstetric Research Collaborative (STORK). Predictive accuracy of the Southwest Thames Obstetric Research Collaborative (STORK) chorionicity-specific twin growth charts for stillbirth: a validation study.Ultrasound Obstet Gynecol. 2018 Apr 16. doi: 10.1002/uog.19069. [Epub ahead of print].

156. Stock SJ, Wotherspoon LM, Boyd KA, Morris RK, Dorling J, Jackson L, Chandiramani M, David AL, Khalil A, Shennan A, Hodgetts Morton V, Lavender T, Khan K, Harper-Clarke S, Mol BW, Riley RD, Norrie J, Norman JE. Quantitative fibronectin to help decision-making in women with symptoms of preterm labour (QUIDS) part 1: Individual participant data meta-analysis and health economic analysis.BMJ Open. 2018;8:e020796.

157. Khalil A, Beune I, Hecher K, Wynia K, Ganzevoort W, Reed K, Lewi L, Oepkes D, Gratacos E, Thilaganathan B, Gordijn SJ. Consensus definition and essential reporting parameters of selective fetal growth restriction in twin pregnancy: a Delphi procedure. Ultrasound Obstet Gynecol. 2018 Jan 24. doi: 10.1002/uog.19013. [Epub ahead of print].

158. Osman MW, Nath M, Khalil A, Webb DR, Robinson TG, Mousa HA. The effects of metformin on maternal haemodynamics in gestational diabetes mellitus: A pilot study. Diabetes Res Clin Pract. 2018;139:170-178.

159. Perry H, Duffy JMN, Umadia O, Khalil A; International Collaboration to Harmonise Outcomes for Twin-Twin Transfusion Syndrome (CHOOSE). Outcome reporting across randomised trials and observational studies evaluating treatments for Twin-Twin Transfusion Syndrome: a systematic review. Ultrasound Obstet Gynecol. 2018 Apr 1. doi: 10.1002/uog.19068. [Epub ahead of print].

160. Morales-Roselló J, Khalil A, Fornés-Ferrer V, Perales-Marín A. Accuracy of the fetal cerebroplacental ratio for the detection of intrapartum compromise in nonsmall fetuses. J Matern Fetal Neonatal Med. 2018 Mar 21:1-11. doi: 10.1080/14767058.2018.1450380. [Epub ahead of print].

161. Khalil A, Perry H, Duffy J, Reed K, Baschat A, Deprest J, Hecher K, Lewi L, Lopriore E, Oepkes D; International Collaboration to Harmonise Outcomes for Twin–Twin Transfusion Syndrome (CHOOSE). Twin-Twin Transfusion Syndrome: study protocol for developing, disseminating, and implementing a core outcome set. Trials 2017;18:325.

162. Kalafat E, Thilaganathan B, Papageorghiou A, Bhide A, Khalil A. The Significance of Placental Cord Insertion Site in Twin Pregnancy. Ultrasound Obstet Gynecol 2017 Oct 4. doi: 10.1002/uog.18914. [Epub ahead of print].

163. D'Antonio F, Thilaganathan B, Laoreti A, Khalil A. On behalf of the Southwest Thames Obstetric Research Collaborative (STORK). Birthweight discordance and neonatal morbidity in twin pregnancies: Analysis of the STORK multiple pregnancy cohort. Ultrasound Obstet Gynecol. 2018;52(5):586-592. doi: 10.1002/uog.18916. Epub 2018 Oct 8.

164. Townsend R, Khalil A. Twin pregnancy complicated by selective growth restriction. Curr Opin Obstet Gynecol. 2016;28(6):485-91.

165. Foo FL, McEniery CM, Lees C, Khalil A; International Working Group on Maternal Haemodynamics. Assessment of arterial function in pregnancy: recommendations of the International Working Group on Maternal Haemodynamics. Ultrasound Obstet Gynecol. 2017 Jul 1. doi: 10.1002/uog.17565. [Epub ahead of print].

166. Binder J, Monaghan C,Thilaganathan B, Carta S, Khalil A. De-Novo Abnormal Uteroplacental Circulation in the Third Trimester: Pregnancy Outcome and Pathological Implications. Ultrasound Obstet Gynecol. 2017 Jun 22. doi: 10.1002/uog.17564. [Epub ahead of print].

167. Khalil A, Jones C, Ville Y. Congenital cytomegalovirus infection: management update. Curr Opin Infect Dis. 2017;30:274-280.

168. Morales-Roselló J, Khalil A, Akhoundova F, Salvi S, Morlando M, Sivanathan J, Alberola-Rubio J, Hervas-Marín D, Fornés-Ferrer V, Perales-Marín A, Thilaganathan B. Fetal cerebral and umbilical Doppler in pregnancies complicated by late-onset placental abruption. J Matern Fetal Neonatal Med. 2017;30:1320-4.

169. Verlohren S, Perschel F, Thilaganathan B, Dröge L, Henrich W, Busjahn A, Khalil A. Angiogenic markers and cardiovascular indices in the prediction of hypertensive disorders of pregnancy. Hypertension. 2017;69:1192-1197.

170. Scala C, Morlando M, Familiari A, Leone Roberti Maggiore U, Ferrero S, D'Antonio F, Khalil A. Fetal Tricuspid Regurgitation in the First Trimester as a Screening Marker for Congenital Heart Defects: Systematic Review and Meta-Analysis. Fetal Diagn Ther. 2017 May 9. doi: 10.1159/000455947. [Epub ahead of print].

171. Khalil A. Modified diagnostic criteria for twin-to-twin transfusion syndrome prior to 18 weeks' gestation: time to change? Ultrasound Obstet Gynecol. 2017;49:804-805.

172. Monaghan C, Binder J, Thilaganathan B, Morales-Roselló J, Khalil A. Perinatal Loss at Term: The Role of Uteroplacental and Fetal Doppler Assessment. Ultrasound Obstet Gynecol. 2017 Apr 24. doi: 10.1002/uog.17500. [Epub ahead of print].

173. Vinayagam D, Thilaganathan B, Stirrup O, Mantovani E, Khalil A. Maternal Hemodynamics in Normal Pregnancies: Reference ranges and the Role of Maternal Characteristics. Ultrasound Obstet Gynecol. 2017 Apr 24. doi: 10.1002/uog.17504. [Epub ahead of print].

174. Falco ML, Sivanathan J, Laoreti A, Thilaganathan B, Khalil A. Placental histopathology associated with preeclampsia: A systematic review and Meta-Analysis. Ultrasound Obstet Gynecol. 2017 Apr 23. doi: 10.1002/uog.17494. [Epub ahead of print].

175. Morales-Roselló J, Khalil A, Fornés-Ferrer V, Alberola-Rubio J, Hervas-Marín D, Peralta Llorens N, Perales-Marín A. Progression of Doppler changes in early-onset small for gestational age fetuses. How frequent are the different progression sequences? J Matern Fetal Neonatal Med. 2017 Mar 27:1-9. doi: 10.1080/14767058.2017.1304910. [Epub ahead of print].

176. Tiralongo GM, Pisani I, Vasapollo B, Khalil A, Thilaganathan B, Valensise H. Nitric oxide (NO) donors and haemodynamic changes in fetal growth restriction. Ultrasound Obstet Gynecol. 2017 Mar 10. doi: 10.1002/uog.17454. [Epub ahead of print].

177. Familiari A, Morlando M, Khalil A, Sonesson SE, Scala C, Rizzo G, Del Sordo G, Vassallo C, Elena Flacco M, Manzoli L, Lanzone A, Scambia G, Acharya G, D'Antonio F. Risk Factors for Coarctation of the Aorta on Prenatal Ultrasound: A Systematic Review and Meta-Analysis. Circulation. 2017;135:772-85.

178. Khalil A, Morales-Rosello J, Khan N, Nath M, Agarwal P, Bhide A, Papageorghiou A, Thilaganathan B. Is cerebroplacental ratio a marker of impaired fetal growth velocity and adverse pregnancy outcome? Am J Obstet Gynecol. 2017 Feb 8. pii: S0002-9378(17)30182-5.

179. Vinayagam D, Gutierrez J, Binder J, Mantovani E, Thilaganathan B, Khalil A. Impaired Maternal Hemodynamics in Morbidly Obese Women: A Case-control Study. Ultrasound Obstet Gynecol. 2017 Feb 2. doi: 10.1002/uog.17428. [Epub ahead of print].

180. D'Antonio F, Thilaganathan B, Dias T, Khalil A; Southwest Thames Obstetric Research Collaborative (STORK). The influence of chorionicity and gestational age at single fetal loss on the risk of preterm birth in twin pregnancies: analysis of the STORK multiple pregnancy cohort. Ultrasound Obstet Gynecol. 2017 Feb 2. doi: 10.1002/uog.17426. [Epub ahead of print].

181. Osman MW, Nath M, Khalil A, Webb DR, Robinson TG, Mousa HA. Longitudinal study to assess changes in arterial stiffness and cardiac output parameters among low-risk pregnant women. Pregnancy Hypertens. 2017;10:256-261.

182. Osman MW, Leone F, Nath M, Khalil A, Webb DR, Robinson TG, Mousa HA. Diurnal variation and repeatability of arterial stiffness and cardiac output measurements in the third trimester of uncomplicated pregnancy. J Hypertens. 2017;35:2436-2442.

183. Osman MW, Nath M, Breslin E, Khalil A, Webb DR, Robinson TG, Mousa HA. Association between arterial stiffness and wave reflection with subsequent development of placental-mediated diseases during pregnancy: findings of a systematic review and meta-analysis.J Hypertens. 2018;36:1005-1014.

184. Paladini D, Alfirevic Z, Carvalho JS, Khalil A, Malinger G, Martinez JM, Rychik J, Ville Y, Gardiner H; ISUOG Clinical Standards Committee. ISUOG consensus statement on current understanding of the association of neurodevelopmental delay and congenital heart disease: impact on prenatal counseling. Ultrasound Obstet Gynecol. 2017;49(2):287-288. doi: 10.1002/uog.17324. Epub 2016 Nov 27.

185. Morlando M, Bhide A, Familiari A, Khalil A, Morales-Roselló J, Papageorghiou AT, Carvalho JS. The association between prenatal atrioventricular septal defects and chromosomal abnormalities. Eur J Obstet Gynecol Reprod Biol. 2017 Jan;208:31-35. doi: 10.1016/j.ejogrb.2016.10.039. Epub 2016 Oct 29.

186. Ghossein-Doha C, Khalil A, Lees CC. Maternal hemodynamics: a 2017 update. Ultrasound Obstet Gynecol. 2017;49(1):10-14. doi: 10.1002/uog.17377.

187. Townsend R, Khalil A. Twin pregnancy complicated by selective growth restriction. Curr Opin Obstet Gynecol. 2016;28(6):485-491.

188. D'Antonio F, Familiari A, Thilaganathan B, Papageorghiou AT, Manzoli L, Khalil A, Bhide A. Sensitivity of first-trimester ultrasound in the detection of congenital anomalies in twin pregnancies: population study and systematic review. Acta Obstet Gynecol Scand. 2016;95:1359-67.

188. Familiari A, Bhide A, Morlando M, Scala C, Khalil A, Thilaganathan B. Mid-pregnancy fetal growth, uteroplacental Doppler indices and maternal demographic characteristics: role in prediction of stillbirth. Acta Obstet Gynecol Scand. 2016;95:1313-1318.

189. Vinayagam D, Bowe S, Sheehan E, Thilaganathan B, Khalil A. Non-Invasive Haemodynamic Monitoring in Pregnancy: A Comparative Study Using Ultrasound and Bioreactance. Fetal Diagn Ther. 2017;41:273-282.

190. Morales-Roselló J, Khalil A, Perales-Marín A. Fetal tricuspid annulus plane systolic excursion (fTAPSE) at term. Association with cerebroplacental ratio, birth weight and neonatal pH. J Matern Fetal Neonatal Med. 29:10, 1636-1641, DOI: 10.3109/14767058.2015.1057810

191. Khalil A, Chaoui R, Lebek H, Esser T, Entezami M, Toms J, Thilaganathan B. Widening of the femoral diaphysis-metaphysis angle at 20-24 weeks: a marker for the detection of achondroplasia prior to the onset of skeletal shortening. Am J Obstet Gyneco.l 2015 Oct 9. pii: S0002-9378(15)01203-X.

192. Marrone L, Liberati M, Khalil A, Rizzo G, Leombroni M, Buca D, Bascietto F, Gustapane S, Flacco ME, Manzoli L, Acharya G, D'Antonio F. Outcome of fetal gastro-intestinal cysts: a systematic review and meta-analysis. Prenat Diagn. 2016;36(10):966-972. doi: 10.1002/pd.4921. Epub 2016 Sep 29.

193. Scala C, McDonnell S, Murphy F, Leone Roberti Maggiore U, Khalil A, Bhide A, Thilaganthan B, Papageorghiou AT. Diagnostic accuracy of mid-trimester antenatal ultrasound for multicystic dysplastic kidneys. Ultrasound Obstet Gynecol. 2016 Sep 19. doi: 10.1002/uog.17305. [Epub ahead of print].

194. Fiona Cheong-See F, Schuit E, Arroyo-Manzano D, Khalil A, et al. Prospective risk of stillbirth and neonatal complications in twin pregnancies: A systematic review and meta-analysis. BMJ. 2016;354:i4353.

195. D'Antonio F, Pagani G, Familiari A, Khalil A, Sagies TL, Malinger G, Leibovitz Z, Garel C, Moutard ML, Pilu G, Bhide A, Acharya G, Leombroni M, Manzoli L, Papageorghiou A, Prefumo F. Outcomes Associated With Isolated Agenesis of the Corpus Callosum: A Meta-analysis. Pediatrics. 2016;138. pii: e20160445. doi: 10.1542/peds.2016-0445.

196. Khalil A, Bennet S, Thilaganathan B, Paladini D, Griffiths P, Carvalho JS. Prevalence of prenatal brain abnormalities in fetuses with congenital heart disease: a systematic review. Ultrasound Obstet Gynecol 2016;48:296-307.

197. Khalil A, Thilaganathan B. Role of uteroplacental and fetal Doppler in identifying fetal growth restriction at term. Best Pract Res Clin Obstet Gynaecol. 2017;38:38-47.

198. Stirrup OT, Khalil A, D'Antonio F, Thilaganathan B; STORK. Patterns of Second- and Third-Trimester Growth and Discordance in Twin Pregnancy: Analysis of the Southwest Thames Obstetric Research Collaborative (STORK) Multiple Pregnancy Cohort. Fetal Diagn Ther. 2017;41:100-107.

199. D'Antonio F, Familiari A, Thilaganathan B, Papageorghiou AT, Manzoli L, Khalil A, Bhide A. Sensitivity of first-trimester ultrasound in the detection of congenital anomalies in twin pregnancies: population study and systematic review. Acta Obstet Gynecol Scand. 2016;95:1359-1367.

200. Morales-Roselló J, Khalil A, Akhoundova F, Salvi S, Morlando M, Sivanathan J, Alberola-Rubio J, Hervas-Marín D, Fornés-Ferrer V, Perales-Marín A, Thilaganathan B. Fetal cerebral and umbilical Doppler in pregnancies complicated by late-onset placental abruption. J Matern Fetal Neonatal Med. 2017;30:1320-1324.

201. D'Antonio F, Khalil A, Garel C, Pilu G, Rizzo G, Lerman-Sagie T, Bhide A, Thilaganathan B, Manzoli L, Papageorghiou AT. Systematic review and meta-analysis of isolated posterior fossa malformations on prenatal imaging (part 2): neurodevelopmental outcome. Ultrasound Obstet Gynecol. 2016;48:28-37.

202. Khalil AA, Morales-Rosello J, Morlando M, Hannan H, Bhide A, Papageorghiou A, Thilaganathan B. Is fetal cerebroplacental ratio an independent predictor of intrapartum fetal compromise and neonatal unit admission? Am J Obstet Gynecol. 2015;213:54.e1-10.

203. Bascietto F, Liberati M, Marrone L, Khalil A, Pagani G, Gustapane S, Leombroni M, Buca D, Flacco ME, Rizzo G, Acharya G, Manzoli L, D'AntonioF. Outcome of ovarian cysts diagnosed on prenatal ultrasound: a systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2017;50:20-31.

204. Khalil A, Cooper E, Townsend R, Thilaganathan B. Evolution of Stage 1 Twin-to-Twin Transfusion Syndrome (TTTS): Systematic Review and Meta-Analysis. Twin Res Hum Genet 2016;19:207-16.

205. Youssef A, D'Antonio F, Khalil A, Papageorghiou AT, Ciardulli A, Lanzone A, Rizzo G, Thilaganathan B, Pilu G. Outcome of Fetuses with Supratentorial Extra-Axial Intracranial Cysts: A Systematic Review. Fetal Diagn Ther. 2016;40:1-12.

206. Morales-Roselló J, Khalil A, Alba-Redondo A, Martinez-Triguero L, Akhoundova F, Perales-Marín A, Thilaganathan B. Protein S100β in Late-Pregnancy Fetuses with Low Birth Weight and Abnormal Cerebroplacental Ratio. Fetal Diagn Ther. 2017;41:15-22.

207. Scala C, Familiari A, Pinas A, Papageorghiou AT, Bhide A, Thilaganathan B, Khalil A. Perinatal and long-term outcome in fetuses diagnosed with isolated unilateral ventriculomegaly: systematic review and meta-analysis. Ultrasound Obstet Gynecol 2017;49:450-9.

208. Khalil A, Bennet S, Thilaganathan B, Paladini D, Griffiths P, Carvalho JS. Prevalence of prenatal brain abnormalities in fetuses with congenital heart disease: a systematic review. Ultrasound Obstet Gynecol. 2016;48:296-307.

209. Vinayagam D, Patey O, Thilaganathan B, Khalil A. Non-invasive cardiac output monitoring in pregnancy: comparison to echocardiographic assessment. Ultrasound Obstet Gynecol. 2017;41:273-82.

210. Melchiorre K, Sharma S, Khalil A, Thilaganathan B. Maternal cardiovascular function in normal pregnancy: evidence of maladaptation to chronic volume overload. Hypertension. 2016;67:754-62.

211. Khalil A. A single cervical length measurement at 18-24 weeks is a better predictor of preterm birth than the change in cervical length with gestation. Evid Based Med. 2015 Nov 9. pii: ebmed-2015-110259. doi: 10.1136/ebmed-2015-110259.

212. D'Antonio F, Khalil A, Zidere V, Carvalho JS. Fetuses with right aortic arch: Multicentre cohort study and meta-analysis. Ultrasound Obstet Gynecol. 2016;47:423-32.

213. Khalil A, Rodgers M, Baschat A, Bhide A, Gratacos E, Hecher K, Kilby MD, Lewi L, Nicolaides K, Oepkes D, Reed K, Raine-Fenning N, Salomon LJ, Sotiradis A, Thilaganathan B, Ville Y; ISUOG Clinical Standards Committee. ISUOG Practice Guidelines: The Role of Ultrasound in Twin Pregnancy.Ultrasound Obstet Gynecol. 2016;48:669-70.

214. Morales-Roselló J, Khalil A. Fetal cerebral redistribution: a marker of compromise regardless of fetal size. Ultrasound Obstet Gynecol. 2015;46:385-8.

215. Scala C, Bhide A, Familiari A, Pagani G, Khalil A, Papageorghiou A, Thilaganathan B. Number of episodes of reduced fetal movement at term: association with adverse perinatal outcome. Am J Obstet Gynecol. 2015;213:678.e1-6.

216. D'Antonio F, Khalil A, Garel C, Pilu G, Rizzo G, Lerman-Sagie T, Bhide A, Thilaganathan B, Manzoli L, Papageorghiou AT. Systematic review and meta-analysis of isolated posterior fossa malformations on prenatal imaging (part 2): neurodevelopmental outcome. Ultrasound Obstet Gynecol. 2016;48:28-37.

217. Khalil A, Morales-Roselló J, Thilaganathan B. Re: Differential effect of intrauterine growth restriction on childhood neurodevelopment: a systematic review. BJOG.2015;122:1850.

218. Familiari A, Bhide A, Morlando M, Scala C, Khalil A, Thilaganathan B. Mid-pregnancy fetal biometry, uterine artery Doppler indices and maternal demographic characteristics: role in prediction of small-for-gestational-age birth. Acta Obstet Gynecol Scand. 2016;95:238-44.

219. Khalil A, Morales-Rosello J, Townsend R, Morlando M, Papageorghiou A, Bhide A, Thilaganathan B. Are fetal cerebroplacental ratio and impaired placental perfusion recorded in the third trimester predictors of stillbirth and perinatal loss? Ultrasound Obstet Gynecol. 2016;47:74-80.

220. Khalil AA, Morales-Rosello J, Elsadigg M, Khan N, Papageorghiou A, Bhide A, Thilaganathan B. The association between fetal Doppler and admission to neonatal unit at term. Am J Obstet Gynecol. 2015; 213:57.e1-7.

221. Khalil AA, Morales-Rosello J, Morlando M, Hannan H, Bhide A, Papageorghiou A, Thilaganathan B. Is fetal cerebroplacental ratio an independent predictor of intrapartum fetal compromise and neonatal unit admission? Am J Obstet Gynecol. 2015;213:54.e1-10 .

222. Khalil A, Maiz N, Garcia-Mandujano R, Penco JM, Nicolaides KH. Longitudinal changes in maternal serum placental growth factor and soluble fms-like tyrosine kinase-1 in women at increased risk of preeclampsia. Ultrasound Obstet Gynecol. 2016;47:324-31.

223. Khalil A, Chaoui R, Lebek H, Esser T, Entezami M, Toms J, Thilaganathan B. Widening of the femoral diaphysis-metaphysis angle at 20-24 weeks: a marker for the detection of achondroplasia prior to the onset of skeletal shortening. Am J Obstet Gynecol. 2015 Oct 9. pii: S0002-9378(15)01203-X.

224. Morales-Roselló J, Khalil A, Salvi S, Townsend R, Premakumar Y, Perales-Marín A. Abnormal Middle Cerebral Artery Doppler Associates with Spontaneous Preterm Birth in Normally Grown Fetuses. Fetal Diagn Ther. 2016;40:41-7.

225. D'Antonio F, Thilaganathan B, Toms J, Manzoli L, Bhide A, Papageorghiou A, Khalil A. Perinatal outcome after fetoscopic laser surgery for twin-to-twin transfusion syndrome in triplet pregnancies: systematic review. BJOG. 2016;123:328-36.

226. Bhide A, Sankaran S, Moore J, Khalil A, Furneaux E. Ambulatory blood pressure measurements in mid-pregnancy and development of hypertensive pregnancy disorders. Hypertens Pregnancy. 2014;33:159-67.

227. Virgone C, D'antonio F, Khalil A, Jonh R, Manzoli L, Giuliani S. Accuracy of prenatal ultrasound in detecting jejunal and ileal atresia: systematic review and meta-analysis. Ultrasound Obstet Gynecol. 2015;45:523-9.

228. Khalil A, Nicolaides KH. Fetal heart defects: potential and pitfalls of first-trimester detection. Semin Fetal Neonatal Med. 2013;18:251-60.

229. Khalil A, Nicolaides KH. How to record uterine artery Doppler in the first trimester. Ultrasound Obstet Gynecol. 2013;42:478-9.

230. Khalil A, Maiz N, Garcia-Mandujano R, Elkhouli M, Nicolaides KH. Longitudinal changes in maternal soluble endoglin and angiopoietin-2 in women at risk for pre-eclampsia. Ultrasound Obstet Gynecol. 2014;44:402-10.

231. Khalil A, Maiz N, Garcia-Mandujano R, Elkhouli M, Nicolaides KH. Longitudinal changes in maternal corin and mid-regional proatrial natriuretic peptide in women at risk of pre-eclampsia. Ultrasound Obstet Gynecol. 2015;45:190-8.

232. Morales-Roselló J, Hervás-Marín D, Stirrup O, Perales-Marín A, Khalil A. International standards for fetal growth: relevance of the advances in ultrasound technology. Ultrasound Obstet Gynecol. 2015;46:631-2.

233. Morales-Roselló J, Khalil A, Morlando M, Hervás-Marín D, Perales-Marín A. Doppler reference values of the fetal vertebral and middle cerebral arteries, at 19-41 weeks’ gestation. J Matern Fetal Neonatal Med. 2015;28:338-43.

234. Morales-Roselló J, Khalil A, Perales-Marín A. Fetal tricuspid annulus plane systolic excursion (fTAPSE) at term. Association with cerebroplacental ratio, birth weight and neonatal pH. J Matern Fetal Neonatal Med. 2015; 29:1-21.

235. D'Antonio F, Virgone C, Rizzo G, Khalil A, Baud D, Cohen-Overbeek TE, Kuleva M, Salomon LJ, Flacco ME, Manzoli L, Giuliani S. Prenatal Risk Factors and Outcomes in Gastroschisis: A Meta-Analysis. Pediatrics. 2015;136:e159.

236. Griffin M, Seed PT, Webster L, Myers J, Mackillop L, Simpson N, Anumba D, Khalil A, Denbow M, Sau A, Hinshaw K, Von Dadelszen P, Benton S, Girling J, Redman CW, Chappell LC, Shennan AH. Diagnostic accuracy of placental growth factor and ultrasound parameters to predict the small-for-gestational-age infant in women presenting with reduced symphysis-fundus height. Ultrasound Obstet Gynecol. 2015;46:182-90.

237. Thilaganathan B, Khalil A, Melchiorre K. Re: Maternal obesity and excess of fetal growth in pre-eclampsia. BJOG. 2015;122:592-3.

238. Morlando M, Ferrara L, D'Antonio F, Lawin-O'Brien A, Sankaran S, Pasupathy D, Khalil A, Papageorghiou A, Kyle P, Lees C, Thilaganathan B, Bhide A. Dichorionic triplet pregnancies: risk of miscarriage and severe preterm delivery with fetal reduction versus expectant management. Outcomes of a cohort study and systematic review. BJOG. 2015;122:1053-60.

239. Khalil A, Mahmoodian N, Kulkarni A, Homfray T, Papageorghiou A, Bhide A, Thilaganathan B. Estimation of Detection Rates of Aneuploidy in High-Risk Pregnancy Using an Approach Based on Nuchal Translucency and Non-Invasive Prenatal Testing: A Cohort Study. Fetal Diagn Ther. 2015;38:254-61.

240. D'Antonio F, Khalil A, Garel C, Pilu G, Rizzo G, Lerman-Sagie T, Bhide A, Thilaganathan B, Manzoli L, Papageorghiou AT. Systematic review and meta-analysis of isolated posterior fossa malformations on prenatal ultrasound: nomenclature, diagnostic accuracy and associated anomalies. Ultrasound Obstet Gynecol. 2016;47:690-7.

241. John R, D'Antonio F, Khalil A, Bradley S, Giuliani S. Diagnostic Accuracy of Prenatal Ultrasound in Identifying Jejunal and Ileal Atresia. Fetal Diagn Ther. 2015;38:142-6.

242. Khalil AA, Khan N, Bowe S, Familiari A, Papageorghiou A, Bhide A, Thilaganathan B. Discordance in fetal biometry and doppler are independent predictors of the risk of perinatal loss in twin pregnancies. Am J Obstet Gynecol. 2015; 213:222.e1-222.e10.

243. D'Antonio F, Khalil A, Morlando M, Thilaganathan B. Accuracy of Predicting Fetal Loss in Twin Pregnancies Using Gestational Age-Dependent Weight Discordance Cut-Offs: Analysis of the STORK Multiple Pregnancy Cohort. Fetal Diagn Ther. 2015;38:22-8.

244. Morales-Roselló J, Khalil A, Alberola-Rubio J, Hervas-Marín D, Morlando M, Bhide A, Papageorghiou A, Perales-Marín A, Thilaganathan B. Neonatal Acid-Base Status in Term Fetuses: Mathematical Models Investigating Cerebroplacental Ratio and Birth Weight. Fetal Diagn Ther. 2015;38:55-60.

245. Morales-Roselló J, Khalil A, Morlando M, Bhide A, Papageorghiou A, Thilaganathan B. Poor neonatal acid-base status in term fetuses with low cerebroplacental ratio. Ultrasound Obstet Gynecol. 2015;45:156-61.

246. Stirrup OT, Khalil A, D'Antonio F, Thilaganathan B; Southwest Thames Obstetric Research Collaborative (STORK); Southwest Thames Obstetric Research Collaborative STORK. Fetal growth reference ranges in twin pregnancy: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol. 2015;45:301-7.

247. Pagani G, D'Antonio F, Khalil A, Papageorghiou A, Bhide A, Thilaganathan B. Association between reduced fetal movements at term and first trimester markers of impaired placental development. Placenta. 2014;35:606-10.

248. Khalil A, Morales-Roselló J, Morlando M, Bhide A, Papageorghiou A, Thilaganathan B. Widening Of The Fetal Femoral Proximal Diaphyseal-Metaphyseal Angle: A New Ultrasound Finding In Achondroplasia. Ultrasound Obstet Gynecol. 2014;44:69-75.

249. D'Antonio F, Khalil A, Pagani G, Papageorghiou AT, Bhide A, Thilaganathan B. Crown Rump Length Discordance And Adverse Perinatal Outcome in Twin Pregnancies: Systematic Review And Meta-analysis. Ultrasound Obstet Gynecol. 2014;44:138-46.

250. Morales-Roselló J, Khalil A, Morlando M, Papageorghiou A, Bhide A, Thilaganathan B. Changes in fetal Doppler indices as a marker of failure to reach growth potential at term. Ultrasound Obstet Gynecol. 2014;43:303-10.

251. Verlohren S, Melchiorre K, Khalil A, Thilaganathan B. Uterine artery Doppler, birthweight and timing of preeclampsia onset: providing insights into the dual etiology of late-onset preeclampsia. Ultrasound Obstet Gynecol. 2014;44:293-8.

252. Khalil A, D'Antonio F, Dias T, Cooper D, Thilaganathan B. Ultrasound Estimation of Birthweight in Twin Pregnancy: Comparison of Biometry Algorithms in the STORK Multiple Pregnancy Cohort. Ultrasound Obstet Gynecol. 2014;44:210-20.

253. D'Antonio F, Khalil A, Thilaganathan B; Southwest Thames Obstetric Research Collaborative (STORK). Second-trimester discordance and adverse perinatal outcome in twins: the STORK multiple pregnancy cohort. BJOG. 2014;121:422-9.

254. Iacovella C, Chandrasekaran N, Khalil A, Bhide A, Papageorghiou A, Thilaganathan B. Fetal And Placental Vascular Tumors: Persistent Fetal Hyperdynamic Status Predisposes To Poorer Long Term Neurodevelopmental Outcome. Ultrasound Obstet Gynecol. 2014;43:658-61.

255. Khalil A, Papageorghiou A, Bhide A, Akolekar R, Thilaganathan B. Biparietal diameter at 11 to 13 weeks' gestation in fetuses with holoprosencephaly. Prenat Diag.n 2014;34:134-8.

256. Pagani G, D'Antonio F, Khalil A, Akolekar R, Papageorghiou A, Bhide A, Thilaganathan B. Association between reduced fetal movements at term and abnormal uterine artery Doppler indices. Ultrasound Obstet Gynecol. 2014;43:548-52.

257. Khalil A, Caric V, Papageorghiou A, Bhide A, Akolekar R, Thilaganathan B. Prenatal prediction of need for ventriculoperitoneal shunt in open spina bifida. Ultrasound Obstet Gynecol. 2014;43:159-64.

258. Khalil A, Cooke PC, Mantovani E, Bhide A, Papageorghiou AT, Thilaganathan B. Outcome Of First Trimester Fetal Abdominal Cysts: A Cohort Study And Review Of The Literature. Ultrasound Obstet Gynecol. 2014;43:413-9.

259. Chitty LS, Khalil A, Barrett AN, Pajkrt E, Griffin DR, Cole TJ. Safe, accurate, prenatal diagnosis of thanatophoric dysplasia using ultrasound and free fetal DNA. Prenat Diagn. 2013;33:416-23.

260. Khalil A, Suff N, Thilaganathan B, Hurrell A, Cooper D, Carvalho JS. Brain Abnormalities and Neurodevelopmental Delay in Congenital Heart Disease: Systematic Review and Meta-analysis. Ultrasound Obstet Gynecol. 2013;43:14-24.

261. Spencer K, Khalil A, Brown L, Mills I, Horne H. First trimester maternal serum alpha-fetoprotein is not raised in pregnancies with open spina bifida. Prenat Diagn. 2014;34:168-71.

262. Khalil A, Garcia-Mandujano R, Maiz N, Elkhouli M, Nicolaides KH. Longitudinal changes in maternal hemodynamics in a population at risk for pre-eclampsia. Ultrasound Obstet Gynecol. 2014;44:197-204.

263. Khalil A, Garcia-Mandujano R, Maiz N, Elkhouli M, Nicolaides KH. Longitudinal changes in uterine artery Doppler and blood pressure and the risk of pre-eclampsia. Ultrasound Obstet Gynecol. 2014;43:541-7.

264. D'Antonio F, Khalil A, Mantovani E, Thilaganathan B; Southwest Thames Obstetric Research Collaborative. Embryonic growth discordance and early fetal loss: the STORK multiple pregnancy cohort and systematic review. Hum Reprod.2013;28:2621-7.

265. Pagani G, D'Antonio F, Khalil A, Papageorghiou A, Bhide A, Thilaganathan B. Intrafetal Laser Treatment For Twin Reversed Arterial Perfusion Sequence: A Cohort Study And Meta-Analysis. Ultrasound Obstet Gynecol. 2013;42:6-14.

266. D'Antonio F, Rijo C, Thilaganathan B, Akolekar R, Khalil A, Papageourgiou A, Bhide A. Association between first trimester maternal serum pregnancy associated plasma protein-a and obstetric complications. Prenat Diagn. 2013;33:839-47.

267. D'Antonio F, Khalil A, Dias T, Thilaganathan B; the Southwest Thames Obstetric Research Collaborative (STORK). Crown-rump length discordance and adverse perinatal outcome in twins: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol. 2013;41:621-6.

268. Khalil A, Coates A, Papageorghiou A, Bhide A, Thilaganathan B. Biparietal diameter at 11-13 weeks' gestation in fetuses with open spina bifida. Ultrasound Obstet Gynecol. 2013;42:409-15.

269. D'Antonio F, Khalil A, Dias T, Thilaganathan B; the Southwest Thames Obstetric Research Collaborative (STORK). Weight discordance and perinatal mortality in twins: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol. 2013;41:643-8.

270. D'Antonio F, Khalil A, Dias T, Thilaganathan B; the Southwest Thames Obstetric Research Collaborative (STORK). Early fetal loss in monochorionic and dichorionic twin pregnancies: analysis of the Southwest Thames Obstetric Research Collaborative (STORK) multiple pregnancy cohort. Ultrasound Obstet Gynecol. 2012;41:632-6.

271. Khalil A, Syngelaki A, Maiz N, Zinevich Y, Nicolaides KH. Maternal age and adverse pregnancy outcomes: a cohort study. Ultrasound Obstet Gynecol. 2013;42:634-43.

272. Khalil A, Rezende J, Akolekar R, Syngelaki A, Nicolaides KH. Maternal racial origin and adverse pregnancy outcomes: a cohort study. Ultrasound Obstet Gynecol. 2012;41:278-85.

273. Khalil A, Sodre D, Akolekar R, Syngelaki A, ElKhaouli M, Nicolaides K. Maternal hemodynamics at 11-13 weeks of gestation in pregnancies delivering small for gestational age neonates. Fetal Diagn Ther. 2012;32:231-8.

274. Khalil A, Akolekar R, Syngelaki A, Elkhouli M, Nicolaides KH. Maternal hemodyamics at 11-13 weeks of gestation and the risk of pre-eclampsia. Ultrasound Obstet Gynecol. 2012;39:401-6.

275. Khalil A, Garcia-Mandujano R, Chiriac R, Akolekar R, Nicolaides K. Maternal hemodynamics at 11-13 weeks’ gestation in gestational diabetes mellitus. Fetal Diagn Ther. 2012;31:216-20.

276. Khalil A, Akolekar R, Syngelaki A, ElKhouli M, Nicolaides K. Maternal hemodynamics in normal pregnancies at 11-13 weeks’ gestation. Fetal Diagn Ther. 2012;32:179-85.

277. Khalil A, ElKhouli M, Garcia-Mandujano R, Chiriac R, Nicolaides K. Maternal hemodynamics at 11-13 weeks of gestation and preterm birth. Ultrasound Obstet Gynecol.2012;39:401-6.

278. Khalil A, Tsikas D, Akolekar R, Jordan J, Nicolaides K. Asymmetric dimethylarginine, arginine and homoarginine at 11-13 weeks’ gestation and preeclampsia: a case control study. Journal of Human Hypertension. 2011;27:38-43.

279. Khalil A, Arnaoutoglou C, Pacilli M, Szabo A, David AL, Pandya P. Outcome of fetal exomphalos diagnosed at 11-14 weeks of gestation. Ultrasound Obstet Gynecol.2012;39:401-6.

280. Chitty LS, Griffin DR, Meaney C, Barrett A, Khalil A, Pajkrt E, Cole TJ. New aids for the non-invasive prenatal diagnosis of achondroplasia: dysmorphic features, charts of fetal size and molecular confirmation using cell-free fetal DNA in maternal plasma. Ultrasound Obstet Gynecol. 2011;37:283-9.

281. Cowans NJ, Stamatopoulou A, Khalil A, Spencer K. PP13 as a marker of pre-eclampsia: A two platform comparison study. Placenta. 2011;32 Suppl:S37-41.

282. Khalil A, Pajkrt E, Chitty LS. Early prenatal diagnosis of skeletal anomalies. Prenat Diagn. 2011;31:115-24.

283. Khalil A,Akolekar R, Syngelaki A, Penco JM, Nicolaides KH. Effect of chorionic villus sampling on uterine artery Doppler. Fetal Diagn Ther. 2010;28:9-13.

284. Khalil A,Akolekar R, Pandya P, Syngelaki A, Nicolaides K. Chorionic villus sampling at 11 to 13 weeks of gestation and hypertensive disorders in pregnancy. Obstet Gynecol. 2010;116:374-80.

285. Khalil A, Jauniaux E, Harrington K. The effect of antihypertensive therapy with alpha methyldopa on uterine artery Doppler. Ultrasound Obstet Gynecol. 2010;35:688-94.

286. Khalil A, Spencer K, Cowans NJ, Meiri H, Harrington KF. First trimester markers for the prediction of pre-eclampsia in women with a priori high risk. Ultrasound Obstet Gynecol. 2010;35:671-9.

287. Khalil A, Spencer K, Cowans NJ, Meiri H, Harrington KF. First trimester maternal serum placental protein 13 for the prediction of pre-eclampsia in women with a priori high risk. Prenat Diagn. 2009;29:781-9.

288. Khalil A, Jauniaux E, Cooper D, Harrington K. Pulse wave analysis in normal pregnancy: A prospective longitudinal Study. PLoS ONE. 2009; 4: e6134. doi:10.1371/journal.pone.000613.

289. Khalil AA, Cooper DJ, Harrington KF. Pulse wave analysis: a preliminary study of a novel technique for the prediction of pre-eclampsia. BJOG. 2009;116:268-76.

290. Khalil A, Jauniaux E, Harrington K. Antihypertensive therapy and central hemodynamics in women with hypertensive disorders in pregnancy: a case control study. Obstet Gynecol. 2009;113:646-54.

291. Khalil A, Jauniaux E, Harrington K, Muttukrishna S. Placental production and maternal serum and urine levels of inhibin A and activin A are modified by antihypertensive therapy in hypertensive disorders of pregnancy.Clin Endocrinol.2009;70:924-31.

292. Khalil A, Muttukrishna S, Harrington K, Jauniaux E. Effect of antihypertensive therapy with alpha methyldopa on levels of angiogenic factors in pregnancies with hypertensive disorders. PLoS ONE 3: e2766. doi:10.1371/journal.pone.0002766.

Asma has active collaborations with the London School of Hygiene and Tropical Medicine, and ongoing projects on the prediction and prevention of stillbirth, funded by SANDS. 

Asma has mentored several masters, MD(res) and PhD students; many of those have achieved national awards.

She has also successfully organised a number of educational events and course, both nationally and internationally. 

Publications

Amar Bhide, Asma Khalil, Aris T. Papageorghiou, Susana Pereira, Shanthi Sairam, Basky Thilaganathan, 2019. Problem-Based Obstetric Ultrasound.

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