How to count the number of days in your menstrual cycle
When you come to menstruation now, there is a certain periodicity. Generally, the periodicity is calculated in 28 days. When we want to infer the next time when the menstrual period is the next time, we can do it through calculations and methods. How to care for the menstrual period and understand the changes in the body, so today I will share with you, how to calculate the menstrual cycle is correct.