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': 'High risk pregnancy includes all except: \nSelect and explain. \nA. Twins, B. 25 year old primi, C. Hydramnios, D. Previous LSCS', 'role': 'user'}, {'content': 'Answer: B \nExplanation: High risk pregnancy is defined as one which is complicated by factor or factors that adversely affects the pregnancy outcome – maternal/perinatal or both.\nThe high risk cases are:\nDuring pregnancy:', 'role': 'assistant'}]