How do I calculate my safe period to avoid pregnancy?

How many days before and after period is safe?

You’re most fertile at the time of ovulation (when an egg is released from your ovaries), which usually occurs 12 to 14 days before your next period starts. This is the time of the month when you’re most likely to get pregnant. It’s unlikely that you’ll get pregnant just after your period, although it can happen.

How many days after period is safe to avoid pregnant?

However, there are times in the menstrual cycle when women may be most fertile and are most likely to conceive. The fertile days may last for up to 3-5 days after the end of your period.

Table: Typical menstrual cycles and fertility at each stage.

Day of cycle Stage Fertility
10-14 Days around ovulation Most fertile

How can I calculate my free period to avoid pregnancy?

Find out the first day of your fertile window by subtracting 18 days from the length of your shortest cycle. For example, if your shortest cycle was 27 days, subtract 18 from 27, and write down day 9. Find out the last day of your fertile window by subtracting 11 from your length of the longest cycle.

What are the safe days in a 28 day cycle?

On a typical cycle that occurs every 28 to 30 days, the fertility window is usually between Day 11 and Day 21. Remember, sperm can live up to 5 days. If your period (bleeding time) lasts for 5 to 7 days, and you have sex right after that, you are approaching your fertility window.

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Is 10 days before period safe?

The ovaries release an egg, or ovulate, around 10–16 days before menstruation begins. The time around ovulation is called the fertility window because these are the most fertile days in the menstrual cycle. It is possible to become pregnant during the 5 days leading up to ovulation and on the same day.

Is 5 days before period safe?

Although it is possible to get pregnant in the days leading up to your period, it isn’t likely. You can only get pregnant during a narrow window of five to six days a month. When these fertile days actually occur depends on when you ovulate, or release an egg from your ovary.