title: Contingent triple-screening for Down syndrome in the second trimester is not a cost-effective prenatal screening strategy in Mainland Chinese population.
authors.forename: Dong-Zhi
authors.initials: DZ
authors.lastname: Li
mesh_terms: D000328:Adult; D002681:China; D018997:Chorionic Gonadotropin, beta Subunit, Human / Q000097:blood; D003362:Cost-Benefit Analysis; D004314:Down Syndrome / Q000097:blood / Q000175:diagnosis*; D004964:Estriol / Q000097:blood; D005260:Female; D006801:Humans; D011247:Pregnancy; D011262:Pregnancy Trimester, Second; D011296:Prenatal Diagnosis / Q000191:economics* / Q000379:methods; D000509:alpha-Fetoproteins / Q000032:analysis
chemical_list: D018997:Chorionic Gonadotropin, beta Subunit, Human; D000509:alpha-Fetoproteins; D004964:Estriol