I WANA TO KNOW ABOUT SAFE PERIOD(DAYS) IN A CYCLE OF MC ,ON WHICH DAYS WE WOULD BE ENGEGE WEYHOUT CONDOM. IF MY STARTING DATE IS 5TH OOCTOBER,THEN PLEASE TELL ME ABOUT CALCULATING THE DAY OF OVULATION, AND HOW MANY DAYS ARE SAFE BEFORE AND AFTER OVULATION FOR FREE SEX.