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': 'In vitro fertilization is indicated in: \nSelect and explain. \nA. Tubal pathology, B. Uterine dysfunction, C. Ovarian pathology, D. Azoospermia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: IVF was first developed as a means to overcome infertility resulting from irreparable tubal disease as fertilization takes place in fallopian tube.\nNow the spectrum of IVF has broadened and is indicated in number of conditions -\nIn female infertility\n• In male infertility:\n– When sperm count is < 5 million/ml\n– Repeated IUI failure\n• Multifactor infertility\n• Unexplained infertility', 'role': 'assistant'}]