This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of menstruation, Subject name: Gynaecology & Obstetrics
[{'content': 'A woman of 50 years who attained menopause came with one episode of bleeding Per vaginum. Which of the following is to be done \nSelect and explain. \nA. Any history of H, B. Hysterectomy, C. PAP Smear, D. Hysteroscopy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Postmenopausal bleeding Definition: Amenorrhea for 1year Vaginal bleeding occurring anytime after 6 months of amenorrhoea in a menopausal age should be considered as postmenopausal bleeding and investigated An impoant reason for postmenopausal bleeding is indiscriminate or prolonged use of oestrogen unopposed by progestogens, and H when applied cyclically Reference: Shaw&;s textbook of Gynecology; 16th Edition; Chapter 5', 'role': 'assistant'}]