Adolescent contraception.
Nelson
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D000293:Adolescent; D000294:Adolescent Behavior; D003267:Contraception / Q000379:methods*; D003270:Contraceptive Agents; D003282:Contraceptives, Postcoital, Hormonal; D005260:Female; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D010817:Physician-Patient Relations; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D012725:Sexual Behavior; D014481:United States
D003270:Contraceptive Agents; D003282:Contraceptives, Postcoital, Hormonal