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': "A 25 years old nulliparous woman with third degree uterine descent but no cystocele or rectocele or enetrocele is best treated with : \nSelect and explain. \nA. Fothergill's repair, B. Abdominal sling operation, C. Amputation of the cervix and reconstruction, D. Lefo's operation", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Abdominal sling operation', 'role': 'assistant'}]