today i was riding my bike with my friend, and when we went over the curb my foot slipped and i fell HARD on my vajayjay right on the metal bar of the bike. it REALLYYYY hurt. i got home and realized there was blood all over my pants. im on my period, but my tampon was practically spotless except for the outside string which was soaked in blood. a couple minutes ago i tried to pee and it KILLED. help??