-
Prospective validation of first-trimester combined screening for trisomy 21.
Kagan KO, Etchegaray A, Zhou Y, Wright D, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;34:14-8. -
Fetal nasal bone in screening for trisomies 21, 18 and 13 and Turner syndrome at 11-13 weeks of gestation.
Kagan KO, Cicero S, Staboulidou I, Wright D, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;33:259-64. -
Tricuspid regurgitation in screening for trisomies 21, 18 and 13 and Turner syndrome at 11 + 0 to 13 + 6 weeks of gestation.
Kagan KO, Valencia C, Livanos P, Wright D, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;33:18-22. -
The impact of fetal gender on first trimester nuchal translucency and maternal serum free beta-hCG and PAPP-A MoM in normal and trisomy 21 pregnancies.
Cowans NJ, Stamatopoulou A, Maiz N, Spencer K, Nicolaides KH.
Prenat Diagn 2009;29:578-81. -
Angiotensin II type 1 and 2 receptors gene polymorphisms in pre-eclampsia and normal pregnancy in three different populations.
Akbar SA, Khawaja NP, Brown PR, Tayyeb R, Bamfo J, Nicolaides KH.
Acta Obstet Gynecol Scand 2009;88:606-11. -
First-trimester biochemical markers of aneuploidy and the prediction of small-for-gestational age fetuses.
Spencer K, Cowans NJ, Avgidou K, Molina F, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:15-9. -
First-trimester ultrasound and biochemical markers of aneuploidy and the prediction of preterm or early preterm delivery.
Spencer K, Cowans NJ, Molina F, Kagan KO, Nicolaides KH.
Obstet Gynecol 2008;31:147-52. -
Low levels of maternal serum PAPP-A in the first trimester and the risk of pre-eclampsia.
Spencer K, Cowans NJ, Nicolaides KH.
Prenat Diagn 2008;28:7-10. -
Screening for trisomy 21 in twin pregnancies in the first trimester: an update of the impact of chorionicity on maternal serum markers.
Spencer K, Kagan KO, Nicolaides KH.
Prenat Diagn 2008;28:49-52. -
Screening for adverse pregnancy outcome by ductus venosus Doppler at 11-13+6 weeks of gestation.
Maiz N, Valencia C, Emmanuel EE, Staboulidou I, Nicolaides KH.
Obstet Gynecol 2008;112:598-605. -
Screening for trisomy 18 by maternal age, fetal nuchal translucency, free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A.
Kagan KO, Wright D, Maiz N, Pandeva I, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;32:488-92. -
Screening for trisomy 21 by maternal age, fetal nuchal translucency thickness, free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A.
Kagan KO, Wright D, Baker A, Sahota D, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:618-24. -
First-trimester screening for trisomy 21 by free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A: impact of maternal and pregnancy characteristics.
Kagan KO, Wright D, Spencer K, Molina FS, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:493-50. -
Screening for triploidy by the risk algorithms for trisomies 21, 18 and 13 at 11 weeks to 13 weeks and 6 days of gestation.
Kagan KO, Anderson JM, Anwandter G, Nekrasova K, Nicolaides KH.
Prenat Diagn 2008;28:1209-13. -
Screening for trisomies 21, 18 and 13 by maternal age, fetal nuchal translucency, fetal heart rate, free beta-hCG and pregnancy-associated plasma protein-A.
Kagan KO, Wright D, Valencia C, Maiz N, Nicolaides KH.
Hum Reprod 2008;23:1968-75. -
Maternal serum soluble adhesion molecule levels at 11+0-13+6 weeks and subsequent development of pre-eclampsia.
Parra-Cordero M, Turan OM, Kaur A, Pearson JD, Nicolaides KH.
J Matern Fetal Neonatal Med 2007;20:793-6. -
Dose dependency between cigarette consumption and reduced maternal serum PAPP-A levels at 11-13(+6) weeks of gestation.
Kagan KO, Frisova V, Nicolaides KH, Spencer K.
Prenat Diagn 2007;27:849-53. -
Placental ABCA1 expression is reduced in primary antiphospholipid syndrome compared to pre-eclampsia and controls.
Albrecht C, Soumian S, Tetlow N, Patel P, Sullivan MH, Lakasing L, Nicolaides K, Williamson C.
Placenta 2007;28:701-8. -
First-trimester ultrasound and biochemical markers of aneuploidy and the prediction of impending fetal death.
Spencer K, Cowans NJ, Avgidou K, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;28:637-43. -
Screening for trisomy 21 by fetal tricuspid regurgitation, nuchal translucency and maternal serum free beta-hCG and PAPP-A at 11 + 0 to 13 + 6 weeks.
Falcon O, Auer M, Gerovassili A, Spencer K, Nicolaides KH.
Ultrasound Obstet Gynecol 2006;27:151-5.