title: [Obstetric ultrasound: diagnosis of abnormalities in the first half of pregnancy].
authors: Frauenklinik, AK Hamburg Barmbek, BRD.
authors: B J
authors: BJ
authors: Hackelöer
mesh_terms: D000013:Congenital Abnormalities / Q000000981:diagnostic imaging* / Q000517:prevention & control; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008403:Mass Screening; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal
vernacular_title: Geburtshilflicher Ultraschall: Fehlbildungsdiagnostik in der ersten Schwangerschaftshälfte.