Its been about 3 days since Ive had sex and I have this feeling Im pregnant. Ive had a lot of crapms and very painful and tightness in my stomach. My nipples are starting to get a bit darker and Im always hurting && sometimes and Ive been getting weird feelings about thorwing up and stuff; I always feeli like Imma thorw up and something tells me Im pregnant. 3 days yeah...thats when I lost my virginity. No protectiion. Could I be pregnant. And when should I take a test?