This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
[{'content': 'True about is / are : \nSelect and explain. \nA. MS surgery better avoided in pregnancy, B. MR with PHT-definite indication for termination of pregnancy, C. Aoic stenosis in young age is due to Bicuspid valve, D. All', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. a, b and c i.e. MS surgery better avoided in pregnancy; MR with PHT- definite indication for termination of pregnancy; and Aoic stenosis in young age is due to Bicuspid valve', 'role': 'assistant'}]