I HAVE SORE BREAST FOR 6 DAYS NOW,FEELING HEARTBURN,AND HAD CLEAR STICKY VAGINAL .DISCHARGE TODAY,I HAD CRAMPS IN MY SIDE ABOUT 2 WEEKS AGO,COULD I BE PREGNANT? MY PERIOD IS SUPPOSE TO START TOMORROW,BUT IM NOT CERTAIN,HAD UPNORMAL CYCLES BEFORE,BUT HAD IT ON THE 20TH FOR 2 MONTHS NOW