Choice of contraceptive method in teenage girls.
D000293:Adolescent; D000328:Adult; D005260:Female; D006069:Gonorrhea / Q000453:epidemiology; D006801:Humans; D007247:Infertility, Female / Q000209:etiology; D007434:Intrauterine Devices / Q000009:adverse effects / Q000706:statistics & numerical data*; D000292:Pelvic Inflammatory Disease / Q000209:etiology