How to calculate the safe period for women? Detailed explanation of the safe period calculation method. The safe period for women refers to the period of time after the end of a woman’s menstrual period. It is a period when sexual intercourse is less likely to lead to pregnancy. For women who do not want to become pregnant, it is very necessary to calculate the safe period scientifically and reasonably. So, how to calculate the safe period for women? The safe period calculation method is explained in detail from four aspects below. Understanding the menstrual cycle is the basis for calculating the safe period. Every woman\’s menstrual cycle is different, so you must first understand your menstrual cycle before you can calculate the safe period. The menstrual cycle starts from