The preventability of Down's syndrome.
D000028:Abortion, Induced; D000293:Adolescent; D000328:Adult; D004314:Down Syndrome / Q000453:epidemiology / Q000401:mortality / Q000517:prevention & control*; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006266:Health Education; D006801:Humans; D007231:Infant, Newborn; D008423:Maternal Age; D008875:Middle Aged; D009519:New York City; D011247:Pregnancy; D011295:Prenatal Care; D013223:Statistics as Topic