When teen-agers ask for the pill.
D000293:Adolescent; D001294:Attitude to Health; D003276:Contraceptives, Oral / Q000008:administration & dosage / Q000009:adverse effects; D003863:Depression / Q000209:etiology; D005260:Female; D006801:Humans; D008598:Menstruation; D011247:Pregnancy; D011372:Progestins / Q000008:administration & dosage; D013997:Time Factors
D003276:Contraceptives, Oral; D011372:Progestins