hi im 16 years old, and i had sex two days ago with my boyfriend, but 3 days straight. but anyways after he left i went to use the restroom and this last time we had sex, and it hurt when i peed.. i actually bled a little. this bleeding and the little pain had been happening for the 3rd day now. im really not sure what's going on.... what can i do to stop this without seeing a doctor?... please help..