This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Placenta Previa, Subject name: Gynaecology & Obstetrics
[{'content': 'Pelvic examination is not done in - \nSelect and explain. \nA. Placenta previa, B. Contracted pelvis, C. H. mole, D. Ectopic pregnancy', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' Placenta previa .Vaginal examination is not done in placenta previa as it can provoke further separation of placenta with torrential bleeding and may be fatal.It should only be done prior to termination of pregnancy in the operation theatre under anaesthesia keeping everything ready for caesarean section.", 'role': 'assistant'}]