How many days before ovulation does menstruation occur?

However, for some people, calculating ovulation and planning sex can be difficult because they don't know the exact menstrual cycle and amount. In this case, some common methods can help them determine their ovulation period.

First, women can determine their ovulation period by measuring their basal body temperature. Basal body temperature refers to the body temperature measured when a woman wakes up every morning. It can help you determine your menstrual cycle and ovulation period. Generally speaking, a woman's body temperature will rise by about 0.3-0.5 degrees Celsius during ovulation.

Secondly, women can determine their ovulation period by observing their menstrual flow. Generally speaking, during the ovulation period, a woman's menstrual flow will gradually decrease until the menstrual flow gradually increases a few days after the end of menstruation.

In addition, women can also determine their ovulation period by observing their sexual desire. Generally speaking, during ovulation, women's sexual desire increases and they may feel more aroused and sensitive.

However, women should not rely too much on these methods to determine when they are ovulating. Excessive sexual activity may lead to adverse consequences, so women should determine their ovulation period based on their health status and the advice of their doctor.

To sum up, it is important to calculate ovulation and plan sex, but women should not rely too much on these methods. Women should determine their ovulation period based on their health and the advice of their doctor.