title: Contraception in adolescence: a review. 2. Biomedical aspects.
mesh_terms: D000293:Adolescent; D000568:Amenorrhea / Q000139:chemically induced; D003267:Contraception; D003278:Contraceptives, Oral, Hormonal / Q000009:adverse effects; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D008297:Male; D009369:Neoplasms / Q000139:chemically induced; D000292:Pelvic Inflammatory Disease / Q000209:etiology
chemical_list: D003278:Contraceptives, Oral, Hormonal