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': 'Indication of in vitro feilization and implantation in uterus is all EXCEPT: \nSelect and explain. \nA. Azoospermia, B. Anovulation, C. Oligospermia, D. Tubal block', 'role': 'user'}, {'content': "Answer: D \nExplanation: Tubal block REF: Shaw's 13th ed p. 206 See previous question for explanation", 'role': 'assistant'}]