i was on my period and last saturday i had sex for the first time using a condom. i hung out w/ a girl the next day who was sick. i got sick but i dont know if i am pregnant or just sick? my period smells reallly bad and its more of a brown color. i dont know what to do. i can't be pregnant. i dont know how i would tell my mom. ii had sex on my period, is that okay?