HI, PLEASE HELP, I'M A 38 YR OLD, MY CYCLE IS ALWAYS REGUALR BETWEEN 28-30 DAYS, I HAVE NEVER BEEN LATE, I AM NOW ON DAY 36 AND STILL NO AF, I DID 2 BOOTS HPT ON DAY 33 WHICH SHOWED I DID ANOTHER ONE YESTERDAY SAME AND JUST DONE ANOTHER ONE THIS MORNING WHICH ALSO SHOWED. SURELY IF I WAS PG IT WOULD SHOW UP BY NOW, WHATS HAPPENING???? I'VE HAD STOMACH CRAMPS ON AND OFF FOR THE LAST 5 DAYS OR SO, KEEP THINKING MY PERIOD HAS STARTED BUT WHEN I GO THE LOO NO YET... ANY ADVICE PLEASE??? THANKS GIRLS