title: Congress questions effect of abstinence-only approach. Scientists, others say programs fail to work.
mesh_terms: D000293:Adolescent; D002487:Centers for Disease Control and Prevention, U.S.; D005260:Female; D006801:Humans; D011057:Politics; D011247:Pregnancy; D011253:Pregnancy in Adolescence / Q000517:prevention & control; D012736:Sex Education; D012746:Sexual Abstinence; D014481:United States