This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Normal Menstruation, Abnormal Menstruation, Menopausal Physiology and forsight of conception, Subject name: Gynaecology & Obstetrics
[{'content': 'Danazol is used in the treatment of: \nSelect and explain. \nA. Cyclical mastalgia, B. Breast cyst, C. Non-cyclical mastalgia, D. Epithelial changes in breast', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Danazol is a synthetic testosterone which binds to progesterone and androgen receptors Danazol is used for benign breast diseases and is good for fibrocystic disease. Cyclical mastalgia due to increase engorgement (estrogenic ) will also be relieved with danazol. Almost 70% patients with cyclical mastalgia will repo relief.', 'role': 'assistant'}]