title: Utility of unconjugated estriol in screening for Down syndrome is not proven.
authors.forename: T
authors.initials: T
authors.lastname: Reynolds
authors.forename: R
authors.initials: R
authors.lastname: John
authors.forename: K
authors.initials: K
authors.lastname: Spencer
mesh_terms: D004314:Down Syndrome / Q000175:diagnosis*; D004964:Estriol / Q000097:blood*; D005260:Female; D006801:Humans; D008403:Mass Screening; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*
chemical_list: D004964:Estriol