Taking emergency contraceptive pills may delay menstruation, and prolonged use may also lead to menstrual disorders, which are harmful to the body. If you don’t take the pill too often, the menstrual disorders that occur usually last about 2-3 months and the body can recover on its own. Emergency contraceptive pills, taken within 72 hours after sexual intercourse, can prevent pregnancy, but it is not recommended to take a large amount. If the regularity of menstruation is disturbed, you can take Chinese medicines to regulate it under the guidance of a doctor, such as motherwort, which can have a good effect of activating blood circulation and removing blood stasis and is especially suitable for women who have a small amount of menstruation and delayed menstruation. Women’s menstruation is a normal physiological phenomenon, it is usually not recommended to take any oral medication to delay menstruation, which will lead to endocrine disorders in the body.