Contraceptives and the young: present status and future prospects.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D003270:Contraceptive Agents; D003276:Contraceptives, Oral; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D007435:Intrauterine Devices, Copper; D008297:Male; D008393:Marriage; D012723:Sex; D014481:United States
D003270:Contraceptive Agents; D003276:Contraceptives, Oral