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 patient presented with infeility without significant clinical problem, most likely diagnosis is : \nSelect and explain. \nA. Fibroid uterus, B. T.B. endometrium, C. Carcinoma cervix, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: T.B. endometrium', 'role': 'assistant'}]