title: Serum screening for Down's syndrome.
authors.forename: A
authors.initials: A
authors.lastname: Kennard
authors.forename: S
authors.initials: S
authors.lastname: Goodburn
authors.forename: S
authors.initials: S
authors.lastname: Golightly
authors.forename: M
authors.initials: M
authors.lastname: Piggott
mesh_terms: D004314:Down Syndrome / Q000097:blood*; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D008423:Maternal Age; D011247:Pregnancy; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis / Q000379:methods*; D012307:Risk Factors