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
Danazol is used in the treatment of: 
Select and explain. 
A. Cyclical mastalgia, B. Breast cyst, C. Non-cyclical mastalgia, D. Epithelial changes in breast
A: Cyclical mastalgia
Answer: A: Cyclical mastalgia 
Explanation: 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.