What Are The Chances Of Pregnancy After Protected Sex?

HAD PROTECTED SEX 5 DAYS AGO, WAS SUPPOSED TO HAVE MY PERIOD 2 DAYS AFTER SEX, MARCH 5TH. IT S ALREADY 2 1/2 DAYS. EVERY TIME I CHECK, THERE S ONLY THICK WHITE NON-STRETCHING MUCUS. MY URINATION RATE IS NORMAL, BOWEL MOVEMENT, TOO, I M CRAMPING, ABDOMINAL CRAMPS, LOWER BACK CRAMPS.. I VE NEVER BEEN LATE ON MY PERIOD SINCE 11 Y/O. IS SOMETHING WRONG? AM I PREGNANT OR SOMETHING? I KNOW IT S TOO EARLY FOR TESTS.