I have recently within the past month or two discovered a small,nerd candy sized,bump going into the opening of my vagina. It's skin colored,doesn't hurt,doesn't itch,and there isn't any puss or liquid coming out of it. It's just there. It's sorta smooth,not rough feeling,but it is risen just a little to where you can move it around slightly. And this is the only bump that I've discovered down there. What could this be?? Please help!