Ovulation refers to the time when a woman's egg is released from the ovary, usually between the 14th and 20th days of the menstrual cycle. For couples who want to have children, knowing the ovulation period is the key to achieving fertility. However, for most people, calculating ovulation is not an easy task. This article will introduce some commonly used methods to help people calculate ovulation.

So, how to calculate ovulation? There are many calculation methods, two commonly used methods are introduced below.

Method 1: Basal body temperature method

Basal body temperature refers to the body temperature measured when you wake up in the morning and do not perform any activities. The measurement method is to place the thermometer under the tongue. You need to remove your hat and clothes and wait for a period of time before measuring. It usually takes 10 minutes to 15 minutes.

The calculation method is:

1. The body temperature before measurement is 36.5°C.

2. After taking the measurement, put the thermometer down, wait 10 to 15 minutes, and then measure the temperature.

3. The average basal body temperature is 36.7°C.

4. The average minus 0.5°C is the female’s ovulation period.

Method 2: Calendar method

The calendar method refers to calculating a woman's ovulation period based on the time of her menstrual cycle. This method requires some patience, but is more accurate.

The calculation method is:

1. Convert the number of days in a woman’s menstrual cycle into days and the ratio between days. For example, if a woman's menstrual cycle lasts 28 days, then day 14 is her ovulation period.

2. Multiply the number of days in a woman’s menstrual cycle by 3.