Hi I'm 21 I hav a boyfriend we had unprotected sex on the 12th of february this year , I neva got my period the month of february I got it on the 25th of march till the 30th , then I got it again on the 14th of april just for one day but a light brown discharge and its gone again! I have gained abit of weight feel nausea and have stomach cramps, could I possibily be pregnant