How to Calculate Safe Period?

How to Calculate Safe Period Before and After Ovulation to Avoid Pregnancy?

Safe Period Calculation to Avoid Pregnancy

Safe Period is a natural birth control method. Calculating safe period is useful for women to avoid unwanted pregnancy. This is one of the method to avoid pregnancy without any complications. It is one of the natural remedy used since thousand years. This safe period calculation will work out for a woman who has regular menstrual period.

Formula :Safe Period is calculated based on the duration of the menstrual cycle and the fertile period. Safe period is the period that is before and after the ovulation. This calculation is useful for the couples to avoid pregnancy.
To calculate the safe period, first find the Fertile Period.
Safe Period before OvulationFormula :
Shortest Cycle - 18 = X^th day
Safe Period before Ovulation= 1st Day to (X-1) day

Safe Period after Ovulation Formula :
Longest Cycle - 10 = Y^th day
Safe Period After Ovulation = (Y+1)Day to Last Day of the Cycle.
Fertility Period = X^th day to Y^th day

Step 1: Consider the duration of a woman menstrual cycle varies from 26 to 31 day and her first day of Menstrual cycle is on October-1-2015. Find the Safe Period?
Duration of Cycle = 26 to 31 days
First Day of Cycle = October 1

Step 2: Safe Period before Ovulation
Shortest Cycle - 18 = Xth day
26 - 18 = 8th Day
Safe Period Before Ovulation = 1st Day to (8-1)th Day
Safe Period before Ovulation = October 1 to October 7.

Step 3:Safe Period after Ovulation
Longest Cycle - 10 = Y^th day
31 - 10 = 21^st day
Safe Period After Ovulation = (21+1)^nd day to Last day of Cycle
= October 22 to October 28

Fertility Period = 8 ^th day to 21^st day
= October 8^th to October 21^st
Hence, the Safe Period are from October 1 to October 7^th and from October 22 to October 28^th.
The Fertility Period is from October 8^th to October 21^st.

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