Ovulation period and safety period are important concepts in reproduction and contraception. However, this concept is not entirely clear because different people have different physiologies and life circumstances. This article will introduce a simple calculation method to help people understand how to calculate the safe period and ovulation period.

However, many people do not understand how to calculate the safe period and ovulation period. Therefore, this article will introduce a simple calculation method to help people understand how to calculate the safe period and ovulation period.

First, we need to understand a woman’s menstrual cycle. A woman's menstrual cycle is usually controlled by the release of eggs from the ovaries and contractions of the uterus. Generally, a woman's menstrual cycle lasts 28 days, but some may have it longer or shorter. If you're unsure about your cycle, ask your doctor for help.

Next, we need to understand how to calculate the safe period and ovulation period. You can use the following formula to calculate the safe period and ovulation period:

Safety period: (cycle-14 days) - 1 day = number of cycle days

For example, if your cycle is 28 days, then:

- (28-14) - 1 = 23

Therefore, your safety period is 23 days.

Ovulation period: (cycle - 14 days) - 7 days = cycle days

For example, if your cycle is 28 days, then:

- (28-14) - 7 = 13

Therefore, your ovulation period is a 13-day cycle.

Using this formula, you can calculate your safe period and ovulation period. Please note that this formula is a simple calculation and may not work for everyone. If you're unsure about your cycle, or if you want a more accurate calculation, talk to your doctor or professional advisor.

Finally, we remind you that no matter which method you choose, you should pay attention to protecting your own health and safety. If you want to reproduce, make sure you have sex during your safe and ovulation periods. If you don't want to get pregnant, use a safe birth control method. If you have any questions or need additional help, please speak to your doctor or professional advisor.