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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. -
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. -
Choroid plexus cyst, intracardiac echogenic focus, hyperechogenic bowel and hydronephrosis in screening for trisomy 21 at 11 + 0 to 13 + 6 weeks.
Dagklis T, Plasencia W, Maiz N, Duarte L, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:132-5. -
Aberrant right subclavian artery at 11 + 0 to 13 + 6 weeks of gestation in chromosomally normal and abnormal fetuses.
Borenstein M, Cavoretto P, Allan L, Huggon I, Nicolaides KH.
Ultrasound Obstet Gynecol 2008;31:20-4. -
First-trimester screening for trisomy 21 using nuchal translucency and nasal bone evaluations in a selected and an unselected population.
Sonek J, Cicero S, Nicolaides K.
Am J Obstet Gynecol 2007;196:19. -
Nuchal translucency and the risk of congenital heart disease.
Hyett J, Sonek J, Nicolaides KH.
Obstet Gynecol 2007;109:1455-6. -
Nuchal translucency measurements for first-trimester screening: The 'price' of inaccuracy.
Evans MI, Van Decruyes H, Nicolaides KH.
Fetal Diagn Ther 2007;22:401-404. -
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. -
Sonographic screening for trisomy 13 at 11 to 13(+6) weeks of gestation.
Papageorghiou AT, Avgidou K, Spencer K, Nix B, Nicolaides KH.
Am J Obstet Gynecol 2006;194:397-401. -
Cystic hygromas, nuchal edema, and nuchal translucency at 11-14 weeks of gestation.
Molina FS, Avgidou K, Kagan KO, Poggi S, Nicolaides KH.
Obstet Gynecol 2006;107:678-83. -
Relation between increased fetal nuchal translucency thickness and chromosomal defects.
Kagan KO, Avgidou K, Molina FS, Gajewska K, Nicolaides KH.
Obstet Gynecol 2006;107:6-10. -
Fetal nuchal translucency scan and early prenatal diagnosis of chromosomal abnormalities by rapid aneuploidy screening: observational study.
Chitty LS, Kagan KO, Molina FS, Waters JJ, Nicolaides KH.
BMJ 2006;332:452-5. -
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. -
Increased nuchal translucency with normal karyotype.
Souka AP, Von Kaisenberg CS, Hyett JA, Sonek JD, Nicolaides KH.
Am J Obstet Gynecol 2005;192:1005-21. -
First-Trimester Screening for Chromosomal Abnormalities.
Nicolaides KH.
Semin Perinatol 2005;29:190-4. -
Multicenter study of first-trimester screening for trisomy 21 in 75 821 pregnancies: results and estimation of the potential impact of individual risk-orientated two-stage first-trimester screening.
Nicolaides KH, Spencer K, Avgidou K, Faiola S, Falcon O.
Ultrasound Obstet Gynecol 2005;25:221-6. -
Evidence-based obstetric ethics and informed decision-making by pregnant women about invasive diagnosis after first-trimester assessment of risk for trisomy 21.
Nicolaides KH, Chervenak FA, McCullough LB, Avgidou K, Papageorghiou A.
Am J Obstet Gynecol 2005;193:322-6. -
Likelihood ratio for trisomy 21 in fetuses with tricuspid regurgitation at the 11 to 13 + 6-week scan.
Faiola S, Tsoi E, Huggon IC, Allan LD, Nicolaides KH.
Ultrasound Obstet Gynecol 2005;26:22-7.