Within one year, the use of birth control pills should not exceed three times, and if it is emergency contraception, it is also best not to exceed three times within a year.

Because the side effects of emergency contraceptives are relatively large, they also cause more harm to the human body, and long-term use may even lead to infertility.

Because it contains estrogen, it can cause hormonal imbalances in the body, leading to phenomena such as menstrual disorders and endocrine disruption in women, and in severe cases, it can inhibit ovulation.

Therefore, it is said that one should not take too many contraceptives and should use methods that do not harm the body, such as wearing condoms, getting contraceptive rings, etc.

In addition, it is also important to pay attention to exercise in daily life, to work out more, and to enhance one's own resistance.