Contraindications to the pill.
D000293:Adolescent; D003276:Contraceptives, Oral / Q000009:adverse effects* / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008599:Menstruation Disturbances / Q000188:drug therapy*; D009839:Oligomenorrhea / Q000188:drug therapy* / Q000209:etiology; D012805:Sickle Cell Trait / Q000150:complications
D003276:Contraceptives, Oral