title: Maternal age-based prenatal genetic testing.
authors.forename: Robert
authors.initials: R
authors.lastname: Resta
mesh_terms: D004314:Down Syndrome / Q000453:epidemiology* / Q000517:prevention & control; D005260:Female; D005817:Genetic Counseling; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D011296:Prenatal Diagnosis