Gastroenteritis causing failure of oral contraception.
D003276:Contraceptives, Oral; D003967:Diarrhea; D005260:Female; D005759:Gastroenteritis; D006801:Humans; D007408:Intestinal Absorption; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D014839:Vomiting
D003276:Contraceptives, Oral