Ovulation contraception is a commonly used contraceptive method that reduces the risk of pregnancy by calculating a woman's ovulation period and having sex during this period.

Therefore, if you want to use the ovulation contraceptive method, you need to know the woman's menstrual cycle and ovulation period in advance in order to accurately calculate the woman's safe period. In addition, you also need to know some basic safety measures, such as using condoms or oral emergency contraceptive pills.

Using ovulation contraception is not always successful because a woman's menstrual cycle and ovulation may be affected by many factors, such as diet, exercise, medications, etc. Therefore, if you want to try the ovulation contraceptive method, it is best to consult a doctor or professional contraceptive expert first to ensure safety and effectiveness.

To sum up, ovulation contraception is a simple and effective method of contraception that can help people reduce the risk of pregnancy. However, when using this method, it is necessary to understand the woman's menstrual cycle and ovulation period in advance and take necessary safety measures.