How long does the emergency pill delay menstruation?

Emergency contraceptives may delay menstruation for up to 12 weeks, but the timing varies. The main ingredient of emergency contraceptives is a large dose of progesterone or anti-progesterone, which can interfere with a woman's hormonal balance. When hormonal balance is disturbed, menstrual cycle changes may occur, including delayed menstruation. The effects on menstruation may vary if taken at different stages of the menstrual cycle. For example, taking it close to menstruation may be more likely to delay menstruation. In addition to delaying menstruation, emergency contraceptives may also cause early menstruation, changes in menstrual volume, irregular bleeding, etc. If menstruation is delayed for too long or accompanied by other abnormal symptoms, you should seek medical attention promptly and conduct relevant examinations to rule out the possibility of other diseases. In addition, psychological factors, changes in living environment, overwork, etc. may also affect menstruation. After taking emergency contraception, if these factors exist at the same time, it may make menstruation delayed more complicated. It should be emphasized that although emergency contraception is an after-the-fact contraceptive method, it is not a conventional contraceptive method and should not be used frequently. Frequent use may not only lead to menstrual disorders, but may also cause other adverse effects on health. If long-term contraception is needed, it is recommended to choose a safer and more reliable method and to do it under the guidance of a doctor. At the same time, after taking emergency contraceptives, pay close attention to menstrual conditions, if abnormal, consult a doctor in time.