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': 'Abruptio placentae occurs in all except: \nSelect and explain. \nA. Smokers, B. Alcoholics, C. PET, D. Folic acid deficiency', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Abruptio placenta is premature separation of normally situated placentaQ resulting in hemorrhage.\nRisk factors:\n\nIncreased maternal age -\xa0Increased parity\nPre eclampsia -\xa0Chronic hypertension\nPreterm ruptured membranes\xa0pregnancy\xa0-\xa0Sudden uterine decompression as in hydramnios and twin\nCigarette smoking -\xa0Thrombophilia\nCocaine abuse -\xa0Previous abruption\nExternal trauma -\xa0Folic acid deficiency\nUterine leiomyoma\n\nMy – My- I pity all of you out there as you have to memorise so many lists (not only in gynae, obs but in other subjects as well). Even I have gone through the same phase. Friends I had devised a simple method to learn these lists. For some lists, I used to draw diagrams and then at the time of exam that diagram was reproduced in my mind. Try it out for yourself. e.g.', 'role': 'assistant'}]