title: Prenatal prediction of Down syndrome.
authors.forename: T M
authors.initials: TM
authors.lastname: Reynolds
authors.forename: M D
authors.initials: MD
authors.lastname: Penney
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis*; D005865:Gestational Age; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis