Commentary: some policy and program implications of "contraceptive failure in the United States".
D003153:Community Health Services; D003267:Contraception / Q000379:methods*; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D014481:United States