Confused

Ok it says i ovulated the end off July the 30 I believe I had sex aug 1 to the 4 unprotected I have been cramping for days I may add I don't normally cramp AF is due on the 13.... Normally about a week before AF arrives my boobs normally hurt so bad I can't even wear a bra I am not having that issue this week but I have been feeling gross this week can anyone relate