注意阴道是否散发一股鱼腥味，有灰色或白色分泌物，小便时会有灼热感。 检查阴道是否发出恶臭，有黄色或绿色分泌物。 注意阴道是否散发一股酵母味，有浓稠的白色分泌物。 检查阴道是否有强烈异味和像水一样稀的分泌物。 注意是不是在运动或出汗后才有异味。 确认你没有忘记取出卫生棉条。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
These are all symptoms of bacterial vaginosis (BV), a common vaginal infection. There is no known cause of BV, but it can lead to an overgrowth of normally occurring vaginal bacteria and an infection.  Many women display no symptoms of BV other than an unpleasant odor. Your doctor can confirm you have BV during a check up. Certain activities, like unprotected sex and frequent douching, can increase your risk of developing BV. You may also experience pain when you urinate. These are symptoms of t