CAN U ADVISE ME IVE HAD NORMAL PERIODS FOR YEARS AND ON TH 4TH OF AUG I BLED FOR 3 WEEKS IVE HAD UNPROTECTED SEX WITH MY HUSNBAND SINE BUT ALL THE OVULATION/PERIOD/FERTILITY CALANDERS ARTE GIVING ME DIFFERENT INFOR MATION ANY IDEA WHEN I COULD BE DUE A PERIOD OR TO OVULATE ONE CALANDER SAID IM 4 WEEKS PREGNANT LOL