title: Maternal serum screening risk for Down syndrome is considered positive if a triple-marker-derived risk exceeds the age-specific risk: use of this definition for women aged 35 and over.
authors.forename: J
authors.initials: J
authors.lastname: Fitzgerald
authors.forename: K
authors.initials: K
authors.lastname: Streets
authors.forename: J
authors.initials: J
authors.lastname: Priest
mesh_terms: D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood; D004314:Down Syndrome / Q000175:diagnosis*; D004958:Estradiol / Q000097:blood; D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy / Q000097:blood*; D018566:Pregnancy, High-Risk; D011296:Prenatal Diagnosis; D012307:Risk Factors; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D006063:Chorionic Gonadotropin; D000509:alpha-Fetoproteins; D004958:Estradiol