To calculate the fertile period, it is necessary to consider that ovulation always occurs in the middle of the cycle, i.e. around the 14th day of a regular 28-day cycle.
To identify the fertile period, a woman with a regular 28-day cycle must count 14 days from the date of the last period, as ovulation will take place between 3 days before and 3 days after that date, which is considered fertile. period of women.
To know your fertile period, you can use our online calculator
The calculation of the fertile period in the irregular cycle is not certain for those who are trying to become pregnant or for those who do not want to become pregnant, because since menstruation does not always appear in the same period, the accounts may be wrong.
However, one way to know when the fertile period is in the event of an irregular cycle is to write the duration of each menstrual cycle for one year, and then subtract 18 days from the shortest cycle and 11 days from the longest cycle.
For example: if your shortest cycle was 22 days and your cycle was 28 days, then: 22? 18 – 4 and 28? 11-17, i.e. the fertile period will be between day 4 and day 17 of the cycle.
A more rigorous way to know the fertile period in case of irregular cycle for women who wish to become pregnant is to use the ovulation test purchased at the pharmacy and monitor the signs of a fertile period, such as a flow similar to egg white. Discover the top 6 signs of the fertile period.
For women who do not wish to become pregnant, the tablet is not an effective method and therefore it is important to use safe contraception, such as condoms or birth control pills, for example.
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