i has sex eight days after my period. and then ten days after day . . . after the sencond time i started to notices some slightly changes 1st my nipples started to hurt more in the mornings for like three days after that my hole boob was sore the pain wasnt consist but it would come and go. . .they really feel uncofortable when they hug me. i also started to feel a little more drowsy than normal.i dont drink coke reguarly but when i do i drink dr.peper and that day i dont know but i really wanted pepsi and now i cain drink dr. peper any more i dont like it. once just one day it occured that a lot of discharge came out. and at times i get a little nausuated and after the two intercouse i would have some think cramp feelings at time oh and yeah i for got my back will hurt me alot . . . my period is around this days and i took a pregnancy test and came out negAative. so tell me do i have a chance to be pregnant because im do confuse as it is right now.