Ovulation does not necessarily occur during ovulation

In fact, during the menstrual cycle, a woman’s body does not necessarily release all eggs. This is because a woman's egg only has a survival time of about 1-2 days, while sperm can survive in a woman's body for about 3-5 days. Therefore, even during ovulation, only some of the eggs may be released, and the remaining eggs may take longer to mature and be released.

In addition, women's menstrual cycle is also affected by many factors, including genetics, environment, diet and medications. These factors may affect a woman's cycle and the quantity and quality of her eggs, causing sperm not to be released during ovulation.

While in some cases a woman may not release all of her eggs during her menstrual cycle, this is uncommon. In most cases, women release the right amount of eggs during their menstrual cycle, and having sex during ovulation can increase your chances of getting pregnant. If you experience this during your menstrual cycle, it is recommended to consult a doctor to learn about your medical condition and possible treatment options.