[Contraception in youths].
D000293:Adolescent; D003270:Contraceptive Agents / Q000494:pharmacology*; D003275:Contraceptive Devices, Male; D003278:Contraceptives, Oral, Hormonal / Q000494:pharmacology; D003279:Contraceptives, Oral, Sequential / Q000494:pharmacology; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper; D008297:Male; D013089:Spermatocidal Agents / Q000494:pharmacology
D003270:Contraceptive Agents; D003278:Contraceptives, Oral, Hormonal; D003279:Contraceptives, Oral, Sequential; D013089:Spermatocidal Agents
Antikonzeption Jugendlicher.