I just noticed as I was having a bath that the ends of my vagina lips are darker than usual and I'm still unsure after reading a similar post. Here are a few details about myself that may help with a strong answer: I have only just noticed this today and check regularly so it can't have been there more than a few days. I am sexually active and both sides of the relationship are very hygienic. I often get aroused unexpectedly and/or on most days find a white discharge in my pants. The discharge or possibly my cum from unexpected arousal has been more prominent and frequent over the past few weeks. Could it be from the amount of sex I have? Or something else?