Contraception for teenage girls. Combination pill or IUD?
D000293:Adolescent; D000367:Age Factors; D003276:Contraceptives, Oral / Q000008:administration & dosage; D003277:Contraceptives, Oral, Combined / Q000008:administration & dosage / Q000009:adverse effects; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007435:Intrauterine Devices, Copper / Q000009:adverse effects; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D013548:Sweden
D003276:Contraceptives, Oral; D003277:Contraceptives, Oral, Combined