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First-trimester contingent screening for trisomies 21, 18 and 13 by fetal nuchal translucency and ductus venosus flow and maternal blood cell-free DNA testing.
Kagan KO, Wright D, Nicolaides KH.
Ultrasound Obstet Gynecol 2015;45:42-7. pdf -
A first trimester trisomy 13/trisomy 18 risk algorithm combining fetal nuchal translucency thickness, maternal serum free beta-hCG and PAPP-A.
Spencer K, Nicolaides KH.
Prenat Diagn 2002;22:877-9. -
One-stop clinic for assessment of risk of chromosomal defects at 12 weeks of gestation.
Nicolaides KH, Bindra R, Heath V, Cicero S.
J Matern Fetal Neonatal Med 2002;12:9-18. -
Fetal nasal bone length in chromosomally normal and abnormal fetuses at 11-14 weeks of gestation.
Cicero S, Bindra R, Rembouskos G, Tripsanas C, Nicolaides KH.
J Matern Fetal Neonatal Med 2002;11:400-2. -
A screening program for trisomy 21 at 10-14 weeks using fetal nuchal translucency, maternal serum free beta-human chorionic gonadotropin and pregnancy-associated plasma protein-A.
Spencer K, Souter V, Tul N, Snijders R, Nicolaides KH.
Ultrasound Obstet Gynecol 1999;13:231-7.