title: Second-trimester maternal serum alpha-fetoprotein screening of pregnancies characterized by first-trimester isolated prominent fetal nuchal translucencies and normal karyotype.
authors.forename: L P
authors.initials: LP
authors.lastname: Shulman
authors.forename: O P
authors.initials: OP
authors.lastname: Phillips
authors.forename: S J
authors.initials: SJ
authors.lastname: Gross
authors.forename: T A
authors.initials: TA
authors.lastname: Cervetti
authors.forename: C
authors.initials: C
authors.lastname: Grevengood
authors.forename: S
authors.initials: S
authors.lastname: Elias
mesh_terms: D005260:Female; D005865:Gestational Age; D006801:Humans; D007621:Karyotyping; D009333:Neck / Q000000981:diagnostic imaging; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal; D000509:alpha-Fetoproteins / Q000032:analysis*
chemical_list: D000509:alpha-Fetoproteins