This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Heavy menstrual bleeding , Subject name: Gynaecology & Obstetrics
[{'content': 'Drug of choice in case of Puberty menorrhagia: \nSelect and explain. \nA. Progesterone, B. OCP, C. IUCD, D. Endometrial curettage', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) ProgesteroneRef: Shaws 15th ed. 1303-304Puberty menorrhagia is anovulatory. Therefore our first line or DOC in puberty menorhhagia is cyclical progestin therapy.', 'role': 'assistant'}]