title: Nuchal translucency and gestational age.
authors.forename: K H
authors.initials: KH
authors.lastname: Nicolaides
authors.forename: V
authors.initials: V
authors.lastname: Heath
authors.forename: K
authors.initials: K
authors.lastname: Spencer
authors.forename: A B J
authors.initials: AB
authors.lastname: Nix
mesh_terms: D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D005865:Gestational Age; D006801:Humans; D048208:Nuchal Translucency Measurement; D011247:Pregnancy; D013997:Time Factors