I had unprotected sex with my boyfriend the day after my period ended last month, i wasnt worried until my period was 2 weeks and a few days late my period is usually regular, i finally started then it ended in about a day i have been feeling nausea tired moody no tender breast ive been having a light pink discharge i have also gained about 5-10 lbs in about 2 weeks i have only taken one test it was negative. What should i do? %-)