HEY I havent had a normal period since sept.26,06 . my period normally last 7 days every month . on oct 8 a week after my period i had sex and bleed four day rite after that ad didt bleed for the rest of the month .i had sex with my partner every week that month and he didnt pull out ever. so on nov.3. we had sex agin and i started to have bad cramp like i wanted to cry and bleed light for four days and i still not havin a normal period . my nipples are sore my back and stmoahis sore and i want to no could i be pregant?