This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sexually Transmitted Disease in the Female, Subject name: Gynaecology & Obstetrics
[{'content': 'All of the following are risk factors for bacterial vaginosis except: \nSelect and explain. \nA. Oral sex, B. Cigarette smoking, C. Sex during menses, D. Use of condoms during sex', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. is d, i.e. Use of condoms during sexRef: Williams Gynae 3rd/ed, p51Risk factors For Bacterial vaginosis* Oral sex* Douching* Black race* Cigarette smoking* Sex during menses* Intrauterine device* Early age of sexual intercourse* New or multiple sex partners* Sexual activity with other women', 'role': 'assistant'}]