title: First-trimester screening for aneuploidy by nuchal translucency.
authors: M A
authors: MA
authors: Zoppi
authors: R M
authors: RM
authors: Ibba
authors: G
authors: G
authors: Monni
mesh_terms: D000782:Aneuploidy; D005260:Female; D005820:Genetic Testing; D006801:Humans; D009333:Neck / Q000000981:diagnostic imaging* / Q000196:embryology*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D014463:Ultrasonography