Taking emergency contraceptive pills once a month can cause delayed menstruation, sometimes disrupt menstruation, and in serious cases can cause infertility. Emergency contraceptive pills should not be taken more than three times a year, and the hormonal content of emergency contraceptive pills is very high. In clinical practice, there are doctors who use contraceptive pills to treat gynecological patients, such as premature menstruation, irregular menstruation, gonorrhea, doctors will let patients take contraceptive pills or when the body’s hormone imbalance, lack of hormones, also use contraceptive pills to treat, but the pill is a short-acting contraceptive pill, the hormone content is low, according to the menstrual cycle to take. Long-acting contraceptive pills are taken once a month and inhibit ovarian function, and after stopping the pills can lead to menopause, which takes several months to recover.