title: [An analysis of the causes for the occurrence of Down's syndrome and the current approaches to its prevention at the stage of mass prenatal ultrasonic and immunobiochemical screening of pregnant women].
abstract: Problems of prenatal complex diagnosis of Down's syndrome are considered. The levels of alpha-fetoprotein in blood serum of pregnant women should be studied in the optimum terms (17-19 weeks of pregnancy). The assessment of several immuno-biochemical markers is most important for diagnosis.
authors.forename: N P
authors.initials: NP
authors.lastname: Veropotvelian
authors.forename: P N
authors.initials: PN
authors.lastname: Veropotvelian
authors.forename: A V
authors.initials: AV
authors.lastname: Korotkov
mesh_terms: D004314:Down Syndrome / Q000000981:diagnostic imaging / Q000209:etiology* / Q000517:prevention & control*; D005260:Female; D006801:Humans; D007621:Karyotyping; D008403:Mass Screening / Q000379:methods*; D008423:Maternal Age; D011247:Pregnancy; D016216:Ultrasonography, Prenatal
vernacular_title: Analiz prichin vozniknoveniia sindroma Dauna i sovremennye podkhody k ego profilaktike na étape massovogo prenatal'nogo ul'trazvukovogo i immuno-biokhimicheskogo skrininga beremennykh.