This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Pharmacology
[{'content': 'All are true estrogen except \nSelect and explain. \nA. Causes cholestasis, B. Used in treatment of gynaecomastia, C. Used in hormone replacement therapy, D. Increased risk of breast cancer', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Refer KDT 7/e p 309 Estrogens can result in suppression of libido,gynaecomastia and feminization as adverse effects when given to males', 'role': 'assistant'}]