title: Prenatal screening for Down's Syndrome.
authors.forename: A
authors.initials: A
authors.lastname: Round
authors.forename: W
authors.initials: W
authors.lastname: Hamilton
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005189:False Positive Reactions; D005260:Female; D005313:Fetal Death; D005315:Fetal Diseases / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D012307:Risk Factors