unprotected sex just off my period that night am i pregant?

my boyfriend and i had sex for the first time. wel my first time thursday and we didn't use a condom cause he promised he would pull out in time we had sex 3 times in 24 hours. now i have like cloudy and a smell to my pee. and i just don't feel good. my stomach hurts and i am wet it feels like most of the time.. am i pregant? or am i okay i was on like my last day of my period basically over it cause there was blood before we had sex then a lil bit after but not really just a little bit. i am not on birth control
i am 18 and i am sacared that i might be pregant and i don't know what is wrong wiht me