title: [Screening for Down syndrome and congenital abnormalities in the first versus the second trimester].
authors.forename: C
authors.initials: C
authors.lastname: Lundsteen
authors.forename: K
authors.initials: K
authors.lastname: Brøndum-Nielsen
authors.forename: K
authors.initials: K
authors.lastname: Rasmussen
authors.forename: G B
authors.initials: GB
authors.lastname: Petersen
authors.forename: P K
authors.initials: PK
authors.lastname: Jensen
mesh_terms: D015415:Biomarkers / Q000032:analysis*; D000013:Congenital Abnormalities / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000235:genetics; D004314:Down Syndrome / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000235:genetics; D005260:Female; D006801:Humans; D008403:Mass Screening; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011262:Pregnancy Trimester, Second; D016216:Ultrasonography, Prenatal
chemical_list: D015415:Biomarkers
vernacular_title: Første versus 2. trimester-screening for Downs syndrom og medfødte misdannelser.