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First trimester aneuploidy screening in the presence of a vanishing twin: implications for maternal serum markers.
Spencer K, Staboulidou I, Nicolaides KH.
Prenat Diagn 2010;30:235-40. -
Effect of temperature on the measurement of free beta-hCG and PAPP-A concentration.
Cruz JJ, Cruz G, Minekawa R, Maiz N, Nicolaides KH.
Ultrasound Obstet Gynecol 2010;36:141-6. -
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. -
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. -
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 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. -
Plasma placental RNA allelic ratio permits noninvasive prenatal chromosomal aneuploidy detection.
Lo YM, Tsui NB, Chiu RW, Lau TK, Leung TN, Heung MM, Gerovassili A, Jin Y, Nicolaides KH, Cantor CR, Ding C.
Nat Med 2007;13:218-23. -
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. -
Free fetal DNA in maternal circulation: a potential prognostic marker for chromosomal abnormalities?
Gerovassili A, Garner C, Nicolaides KH, Thein SL, Rees DC.
Prenat Diagn 2007;27:104-10. -
The influence of maternal insulin-dependent diabetes on fetal nuchal translucency thickness and first-trimester maternal serum biochemical markers of aneuploidy.
Spencer K, Cicero S, Atzei A, Otigbah C, Nicolaides KH.
Prenat Diagn 2005;25:927-9. -
Ethnicity and the need for correction of biochemical and ultrasound markers of chromosomal anomalies in the first trimester: a study of Oriental, Asian and Afro-Caribbean populations.
Spencer K, Heath V, El-Sheikhah A, Ong CY, Nicolaides KH.
Prenat Diagn 2005;25:365-9. -
First-Trimester Screening for Chromosomal Abnormalities.
Nicolaides KH.
Semin Perinatol 2005;29:190-4. -
Maternal serum biochemistry at 11-13(+6) weeks in relation to the presence or absence of the fetal nasal bone on ultrasonography in chromosomally abnormal fetuses: an updated analysis of integrated ultrasound and biochemical screening.
Cicero S, Spencer K, Avgidou K, Faiola S, Nicolaides KH.
Prenat Diagn 2005;25:977-83. -
Comparison of protocols for extracting circulating DNA and RNA from maternal plasma.
Chiu RW, Lui WB, El-Sheikhah A, Chan AT, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2005;51:2209-10. -
The impact of correcting for smoking status when screening for chromosomal anomalies using maternal serum biochemistry and fetal nuchal translucency thickness in the first trimester of pregnancy.
Spencer K, Bindra R, Cacho AM, Nicolaides KH.
Prenat Diagn 2004;24:169-73. -
Evaluation of human chorionic gonadotropin beta-subunit mRNA concentrations in maternal serum in aneuploid pregnancies: A feasibility study.
Ng EK, El-Sheikhah A, Chiu RW, Chan KC, Hogg M, Bindra R, Leung TN, Lau TK, Nicolaides KH, Lo YM.
Clin Chem 2004;50:1055-7.