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
All of the following are risk factors for bacterial vaginosis except: 
Select and explain. 
A. Oral sex, B. Cigarette smoking, C. Sex during menses, D. Use of condoms during sex
D: Use of condoms during sex
Answer: D: Use of condoms during sex 
Explanation: 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