Sex education and contraceptive education in U.S. public high schools.
D000293:Adolescent; D000328:Adult; D003479:Curriculum; D005193:Family Planning Services / Q000639:trends*; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D012574:Schools; D012736:Sex Education; D011795:Surveys and Questionnaires; D014481:United States