Research and Publications

Asma gained her MD at the University of London in 2009 following two years’ research into pre-eclampsia (high blood pressure in pregnancy). She also has a Masters degree in Epidemiology from the London School of Hygiene & Tropical Medicine and an MRC scholarship. She has published more than 45 peer reviewed research papers in medical journals, and many review articles and book chapters. She has been awarded many research prizes, at both national and international meetings.
Her research interests include hypertensive disease in pregnancy, multiple pregnancy, and other complications of pregnancy.

She has been awarded over 15 prizes which include:

Prize for 1st place in Histology

First place prize MB BCh Graduation year

Best Oral research Presentation, BMFMS, Perinatal Medicine, Harrogate, June 2008

Young Investigator Travel Award, ISSHP, Washington DC, September 2008

Harold Malkin Research Prize, RCOG, 2009

Best Oral Poster prize, ISUOG, Hamburg, Germany, September 2009

Young Investigator Award, British Hypertension Society Meeting, Cambridge, September 2011

Best Oral Poster prize, ISUOG, Sydney, Australia, October 2013

RECENT NEWS: International Clinical Trials’ Day 2015 – JREO Stand – Find out More

Academic Activities

Published more than 55 peer-review papers of original research in Scientific Journals
Associate Editor for the journal Biomedical Central Pregnancy and Childbirth
Reviewing for Scientific Journals, e.g. Obstetrics & Gynecology, Circulation, Ultrasound in Obstetrics and Gynecology, British Journal of Obstetrics and Gynaecology, PLOS ONE
Reviewing for Grant Funding Organisations, e.g. Wellbeing Of Women, Health and Social Care (HSC) Public Health Agency (PHA) Research and Development, Northern Ireland Chest Heart Stroke Association and National Institute for Health Research
Co-author of more than 10 book chapters and review articles
Oral presentations/Invited speaker (more than 50) in both international and national conferences, e.g. ISSHP, ISUOG, SGI, World Congress of Fetal Medicine, BMFMS
Assistant Convenor for the MRCOG Part1 course, RCOG
Co-organiser of national educational meetings, e.g. Multiple Pregnancy (RCOG)
Organisor of regional educational meetings, Basic practical ultrasound programme, management of multiple pregnancy
ISUOG Ambassador: Regular ultrasound courses in North Africa and the Middle East
Principal Investigator at St George’s Hospital for several NIHR funded studies, e.g. Non-invasive Prenatal Testing (NIPT)

List of original peer-reviewed publications

  1. 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 http://www.ncbi.nlm.nih.gov/pubmed/18648513
  2. 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;70:924-931. http://www.ncbi.nlm.nih.gov/pubmed/18803676
  3. 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;113:646-654. http://www.ncbi.nlm.nih.gov/pubmed/19300330
  4. Khalil AA, Cooper DJ, Harrington KF. Pulse wave analysis: a preliminary study of a novel technique for the prediction of pre-eclampsia. Br J Obstet Gynaecol 2009;116:268-276. http://www.ncbi.nlm.nih.gov/pubmed/19076958
  5. Khalil A, Jauniaux E, Cooper D, Harrington K (2009) pulse wave analysis in normal pregnancy: A prospective longitudinal Study. PLoS ONE 4: e6134. doi:10.1371/journal.pone.000613 http://www.ncbi.nlm.nih.gov/pubmed/19578538
  6. 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;29:781-789. http://www.ncbi.nlm.nih.gov/pubmed/19418482
  7. 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;35:671-679. http://www.ncbi.nlm.nih.gov/pubmed/20069559
  8. 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. http://www.ncbi.nlm.nih.gov/pubmed/20201113
  9. 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;116:374-380. http://www.ncbi.nlm.nih.gov/pubmed/20664398
  10. 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. http://www.ncbi.nlm.nih.gov/pubmed/20693805
  11. Khalil A, Pajkrt E, Chitty LS. Early prenatal diagnosis of skeletal anomalies. Prenat Diagn 2011;31:115-124. http://www.ncbi.nlm.nih.gov/pubmed/21210484
  12. 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. http://www.ncbi.nlm.nih.gov/pubmed/21257081
  13. 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;37:283-289. http://www.ncbi.nlm.nih.gov/pubmed/21105021
  14. 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;39:401-406. http://www.ncbi.nlm.nih.gov/pubmed/21793081
  15. 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. http://www.ncbi.nlm.nih.gov/pubmed/22158463
  16. 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;39:401-406. http://www.ncbi.nlm.nih.gov/pubmed/22581611
  17. Khalil A, Akolekar R, Syngelaki A, ElKhouli M, Nicolaides K. Maternal hemodynamics in normal pregnancies at 11-13 weeks’ gestation. Fetal Diagn Ther 2012; 32:179-185. http://www.ncbi.nlm.nih.gov/pubmed/22854228
  18. 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;31:216-220. http://www.ncbi.nlm.nih.gov/pubmed/22572717
  19. 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. Ultrasound Obstet Gynecol 2012;39:401-406. http://www.ncbi.nlm.nih.gov/pubmed/22565361
  20. 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;32:231-238. http://www.ncbi.nlm.nih.gov/pubmed/23019047
  21. Khalil A, Rezende J, Akolekar R, Syngelaki A, Nicolaides KH. Maternal racial origin and adverse pregnancy outcomes: a cohort study. Ultrasound Obstet Gynecol 2012;41:278-285. http://www.ncbi.nlm.nih.gov/pubmed/23023978
  22. Khalil A, Syngelaki A, Maiz N, Zinevich Y, Nicolaides KH. Maternal age and adverse pregnancy outcomes: a cohort study. Ultrasound Obstet Gynecol 2013;42:634-643. http://www.ncbi.nlm.nih.gov/pubmed/23630102
  23. 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;41:632-636. http://www.ncbi.nlm.nih.gov/pubmed/23208731
  24. 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;41:643-648. http://www.ncbi.nlm.nih.gov/pubmed/23355123
  25. 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;42:409-415 http://www.ncbi.nlm.nih.gov/pubmed/23362051
  26. 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;41:621-626. http://www.ncbi.nlm.nih.gov/pubmed/23408454
  27. 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;33:839-847. http://www.ncbi.nlm.nih.gov/pubmed/23613261
  28. 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. http://www.ncbi.nlm.nih.gov/pubmed/23640771
  29. D’Antonio F, Khalil A, Mantovani E, Thilaganathan B; Southwest Thames Obstetric ResearchCollaborative. Embryonic growth discordance and early fetal loss: the STORK multiple pregnancy cohort and systematic review. Hum Reprod 2013;28:2621-2627. http://www.ncbi.nlm.nih.gov/pubmed/23847112
  30. 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. http://www.ncbi.nlm.nih.gov/pubmed/24265180
  31. 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. http://www.ncbi.nlm.nih.gov/pubmed/24652784
  32. 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. http://www.ncbi.nlm.nih.gov/pubmed/24226839
  33. 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. http://www.ncbi.nlm.nih.gov/pubmed/23737029
  34. 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;33:416-423. http://www.ncbi.nlm.nih.gov/pubmed/23408600
  35. 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. http://www.ncbi.nlm.nih.gov/pubmed/23828440
  36. 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;43:159-164. http://www.ncbi.nlm.nih.gov/pubmed/24006252
  37. 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. http://www.ncbi.nlm.nih.gov/pubmed/24123633
  38. Khalil A, Papageorghiou A, Bhide A, Akolekar R, Thilaganathan B. Biparietal diameter at 11 to 13 weeks’ gestation in fetuses with holoprosencephaly. Prenat Diagn 2014;34:134-8. http://www.ncbi.nlm.nih.gov/pubmed/24293286
  39. 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. http://www.ncbi.nlm.nih.gov/pubmed/24307134
  40. 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;121:422-429. http://www.ncbi.nlm.nih.gov/pubmed/24308510
  41. 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. http://www.ncbi.nlm.nih.gov/pubmed/24311473
  42. 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. http://www.ncbi.nlm.nih.gov/pubmed/24448891
  43. 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;43:303-310. http://www.ncbi.nlm.nih.gov/pubmed/24488879
  44. 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. http://www.ncbi.nlm.nih.gov/pubmed/24585501
  45. Khalil A, Morales-Roselló J, Morlando M, Bhide A, Papageorghiou A, Thilaganathan B. Widenning Of The Fetal Femoral Proximal Diaphyseal-Metaphyseal Angle: A New Ultrasound Finding In Achondroplasia. Ultrasound Obstet Gynecol 2014;44:69-75. http://www.ncbi.nlm.nih.gov/pubmed/24623391
  46. Pagani G, D’Antonio F, Khalil A, Papageorghiou A, Bhide A, Thilaganathan Association between reduced fetal movements at term and first trimester markers of impaired placental development. Placenta 2014;35:606-10. http://www.ncbi.nlm.nih.gov/pubmed/24951173
  47. 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;45:301-7. http://www.ncbi.nlm.nih.gov/pubmed/25052857
  48. Morales-Roselló J, Khalil A, Morlando M, Bhide A, Papageorghiou A, Thilaganathan Poor neonatal acid-base status in term fetuses with low cerebroplacental ratio. Ultrasound Obstet Gynecol 2015;45:156-61. http://www.ncbi.nlm.nih.gov/pubmed/25123254
  49. Khalil AA, Morales-Rosello J, Morlando M, Hannan H, Bhide A, Papageorghiou A, Thilaganathan Is fetal cerebroplacental ratio an independent predictor of intrapartum fetal compromise and neonatal unit admission? Am J Obstet Gynecol. 2014 Oct 18. pii: S0002-9378(14)01079-5. doi: 10.1016/j.ajog.2014.10.024. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25446667
  50. Khalil AA, Morales-Rosello J, Elsadigg M, Khan N, Papageorghiou A, Bhide A, Thilaganathan The association between fetal Doppler and admission to neonatal unit at term. Am J Obstet Gynecol. 2014 Oct 15. pii: S0002-9378(14)01055-2. doi: 10.1016/j.ajog.2014.10.013. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25447961
  51. Morales-Roselló J, Khalil A, Alberola-Rubio J, Hervas-Marín D, Morlando M, Bhide A, Papageorghiou A, Perales-Marín A, Thilaganathan Neonatal Acid-Base Status in Term Fetuses: Mathematical Models Investigating Cerebroplacental Ratio and Birth Weight. Fetal Diagn Ther. 2015 Feb 3. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25660123
  52. D’Antonio F, Khalil A, Morlando M, Thilaganathan 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 Feb 5. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25660975
  53. Thilaganathan B, Khalil A, Melchiorre K. Re: Maternal obesity and excess of fetal growth in pre-eclampsia. BJOG 2015;122:592-3. http://www.ncbi.nlm.nih.gov/pubmed/25702557
  54. Khalil AA, Khan N, Bowe S, Familiari A, Papageorghiou A, Bhide A, Thilaganathan Discordance in fetal biometry and doppler are independent predictors of the risk of perinatal loss in twin pregnancies. Am J Obstet Gynecol. 2015 Feb 27. pii: S0002-9378(15)00160-X. doi: 10.1016/j.ajog.2015.02.024. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25731693
  55. 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 Jan 21. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25613369
  56. 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. 2015 May 13. doi: 10.1002/uog.14900. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25970099
  57. Khalil A, Mahmoodian N, Kulkarni A, Homfray T, Papageorghiou A, Bhide A,Thilaganathan 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 Apr 30. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25925597
  58. 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.http://www.ncbi.nlm.nih.gov/pubmed/25851612
  59. ThilaganathanB,Khalil A, Melchiorre K. Re: Maternal obesity and excess of fetal growth in pre-eclampsia. BJOG 2015;122:592-3. http://www.ncbi.nlm.nih.gov/pubmed/25702557
  60. 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 ofplacental 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 Mar 31. doi: 10.1002/uog.14860. [Epub ahead of print] http://www.ncbi.nlm.nih.gov/pubmed/25826778
  61. D’AntonioF, 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
    http://www.ncbi.nlm.nih.gov/pubmed/26122809
  62. 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 Jul 2:1-21. [Epub ahead of print]
    http://www.ncbi.nlm.nih.gov/pubmed/26135760
  63. 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 Feb;28(3):338-43.http://www.ncbi.nlm.nih.gov/pubmed/24749804
  64. Morales-Roselló J, Hervás-Marín D, Stirrup O, Perales-Marín A,Khalil International standards for fetal growth: relevance of the advances in ultrasound technology. Ultrasound Obstet Gynecol. 2015 Apr 11. doi: 10.1002/uog.14875. [Epub ahead of print]http://www.ncbi.nlm.nih.gov/pubmed/25865504
  65. 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.http://www.ncbi.nlm.nih.gov/pubmed/25296530
  66. 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.http://www.ncbi.nlm.nih.gov/pubmed/24913462
  67. Khalil A, Nicolaides KH. How to record uterine artery Doppler in the first trimester. Ultrasound Obstet Gynecol 2013;42:478-9.http://www.ncbi.nlm.nih.gov/pubmed/23658028
  68. Khalil A, Nicolaides KH. Fetal heart defects: potential and pitfalls of first-trimester detection. Semin Fetal Neonatal Med 2013;18:251-60.
    http://www.ncbi.nlm.nih.gov/pubmed/23751926
  69. 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.http://www.ncbi.nlm.nih.gov/pubmed/25157626
  70. 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.http://www.ncbi.nlm.nih.gov/pubmed/24304043
  71. Kubba T, Khalil A, Abu-Rustum R, Aoun A, Scott R, Abi-Nader K, Pandya P. Prenatal diagnosis of pentalogy of Cantrell at 11-13 weeks: Evidence for a hexalogy. J Obstet Gynaecol 2013;33:85-6.http://www.ncbi.nlm.nih.gov/pubmed/23259889