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': 'Risk of ureteric injury is more with \nSelect and explain. \nA. Vaginal hysterectomy, B. Wertheims hysterectomy, C. Radical hysterectomy, D. Total abdominal hysterectomy', 'role': 'user'}, {'content': "Answer: B \nExplanation: Maximum chances of injuring ureter is seen in case of wertheim's (modified radical) hysterectomy, as medial half of cardinal ligament is removed.", 'role': 'assistant'}]