I've just noticed that on the Inside of my vigina flaps towards the back, I have a small white bump that looks like a blister. It is causing me quite a lot of pain, especially when I pee! I have not had sexual intercourse or any other sexual interactions. I don't know what it could be, I have done a bit of reasearch as I'm quite paranoid about it. I think it could be a cyst or a blister! Can someone help me as to what I should do or what it could potentially be?