title: Ultrasonographic screening for fetal chromosomal abnormalities in early pregnancy.
authors.affiliation: National Center for Fetal Medicine, Trondheim University Hospital, Norway.
authors.forename: P
authors.initials: P
authors.lastname: Taipale
authors.forename: V
authors.initials: V
authors.lastname: Hiilesmaa
mesh_terms: D000782:Aneuploidy; D002869:Chromosome Aberrations / Q000000981:diagnostic imaging* / Q000196:embryology; D025063:Chromosome Disorders; D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000000981:diagnostic imaging*; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal