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': 'True about Latzko technique of genitourinary fistula repair is \nSelect and explain. \nA. Lengthens upper vagina., B. Excision of fistulous tract completely., C. Partial colpocleisis., D. Weakens surrounding tissues.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Latzko technique is partial colpocleisis of vagina, It shortens vagina.', 'role': 'assistant'}]