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': 'Mediolateral episiotomy is preferred over midline episiotomy because : \nSelect and explain. \nA. Blood loss is less, B. Less chance of third degree extension, C. Easier to repair, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Less chance of third degree extension', 'role': 'assistant'}]