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First-trimester uterine artery Doppler and serum pregnancy-associated plasma protein-a in preeclampsia and chromosomal defects.
Staboulidou I, Galindo A, Maiz N, Karagiannis G, Nicolaides KH.
Fetal Diagn Ther 2009;25:336-9. -
Maternal serum screening marker levels in women with a previous aneuploidy pregnancy.
Spencer K, Staboulidou I, Cruz JJ, Karagiannis G, Nicolaides KH.
Prenat Diagn 2009;29:1242-3. -
First-trimester prediction of hypertensive disorders in pregnancy.
Poon LC, Kametas NA, Maiz N, Akolekar R, Nicolaides KH.
Hypertension 2009;53:812-8. -
First-trimester maternal serum pregnancy-associated plasma protein-A and pre-eclampsia.
Poon LC, Maiz N, Valencia C, Plasencia W, Nicolaides KH.
Ultrasound Obstet Gynecol 2009;33:23-33. -
First-trimester maternal serum matrix metalloproteinase-9 (MMP-9) and adverse pregnancy outcome.
Poon LC, Nekrasova E, Anastassopoulos P, Livanos P, Nicolaides KH.
Prenat Diagn 2009;29:553-9. -
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. -
First trimester markers of trisomy 21 and the influence of maternal cigarette smoking status.
Spencer K, Ong CYT, Liao AWJ, Papademetriou D, Nicolaides KH.
Prenat Diagn 2000;20:852-3. -
The influence of parity and gravidity on first trimester markers of chromosomal abnormality.
Spencer K, Ong CYT, Liao AWJ, Papademetriou D, Nicolaides KH.
Prenat Diagn 2000;20:792-4. -
First trimester prenatal diagnosis of trisomy 21 in discordant twins using fetal nuchal translucency thickness and maternal serum free beta-hCG and PAPP-A.
Spencer K, Nicolaides KH.
Prenat Diagn 2000;20:683-4. -
The influence of fetal sex in screening for trisomy 21 by fetal nuchal translucency, maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestation.
Spencer K, Ong CY, Liao AW, Papademetriou D, Nicolaides KH.
Prenat Diagn 2000;20:673-5. -
First trimester maternal serum AFP and total hCG in aneuploidies other than trisomy 21.
Spencer K, Heath V, Flack N, Ong C, Nicolaides KH.
Prenat Diagn 2000;20:635-9. -
Screening for triploidy by fetal nuchal translucency and maternal serum free beta-hCG and PAPP-A at 10-14 weeks of gestation.
Spencer K, Liao AW, Skentou H, Cicero S, Nicolaides KH.
Prenat Diagn 2000;20:495-9. -
The influence of ethnic origin on first trimester biochemical markers of chromosomal abnormalities.
Spencer K, Ong CY, Liao AW, Nicolaides KH.
Prenat Diagn 2000;20:491-4. -
Screening for trisomy 13 by fetal nuchal translucency and maternal serum free beta hCG and PAPP-A at 10-14 weeks of gestation.
Spencer K, Ong C, Skentou H, Liao AW, Nicolaides KH.
Prenat Diagn 2000;20:411-6. -
Maternal serum free beta-hCG and PAPP-A in fetal sex chromosome defects in the first trimester.
Spencer K, Tul N, Nicolaides KH.
Prenat Diagn 2000;20:390-4. -
Is maternal serum total hCG a marker of trisomy 21 in the first trimester of pregnancy?
Spencer K, Berry E, Crossley JA, Aitken DA, Nicolaides KH.
Prenat Diagn 2000;20:311-7. -
One stop clinic for assessment of risk for fetal anomalies: a report of the first year of prospective screening for chromosomal anomalies in the first trimester.
Spencer K, Spencer CE, Power M, Moakes A, Nicolaides KH.
BJOG 2000;107:1271-5.