i am 19 yrs.old and im doing the sexual intercourse with my boyfriend in this age , actually its started when im 15 , i get to know what to do in sex. and the 3rd time again , i get this bump in my vagina . i dont know what it is and i dont know how to cure .. it will just last after severals weeks maybe 2-3 weeks . and its hard for me to walk or to sit in a straight position or even stand upright , please i need advice and answer