title: Antenatal screening for Down's syndrome.
authors.forename: N
authors.initials: N
authors.lastname: Wald
authors.forename: J
authors.initials: J
authors.lastname: Densem
authors.forename: A
authors.initials: A
authors.lastname: Kennard
mesh_terms: D000293:Adolescent; D000328:Adult; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis; D012307:Risk Factors