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': 'Antisperm antibodies are usually present in the : \nSelect and explain. \nA. Cervix, B. Vagina, C. Uterus, D. Fallopian tube', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cervix', 'role': 'assistant'}]