title: Screening for Down's syndrome.
authors.forename: D
authors.initials: D
authors.lastname: Donnai
authors.forename: T
authors.initials: T
authors.lastname: Andrews
mesh_terms: D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D008403:Mass Screening; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis