This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Management, Subject name: Gynaecology & Obstetrics
[{'content': 'Le forts operation is done in? \nSelect and explain. \nA. Young patient with utero-vaginalprolapse, B. Elderly patient with utero-vaginal prolapse, C. Multiparous with utero-vaginal prolapsed, D. Pregnant patient with utero-vaginal prolapsed', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. (b) Elderly patient with utero-vaginal prolapseRef: Practical Gynacecolgy and Obstetrics by V. Padubidri p-47, Clinical Obstretics 10th Ed by S. Gopalan, Sarala& Jain, Vanita p 275, Danforth's 10th ed p-867, Current OB/ GYN ch-44 Pelvic Organ Prolapse, Shaw 14thed p-308", 'role': 'assistant'}]