If you need to delay menstruation because of special reasons, you can take oral short-acting contraceptive pills, such as Yosmin, Dyne-35, and Momoflurane to delay menstruation, or you can take oral progesterone capsules, progesterone tablets, and dydrogesterone tablets to delay menstruation. However, usually at least 7-10 days before the onset of menstruation to start taking medication, if it is taken when the period is about to come, it may cause failure to delay menstruation. Women’s menstruation has a normal pattern, if it is not particularly important, do not take drugs to interfere with the normal pattern of menstruation, otherwise it will cause endocrine disorders, resulting in irregular menstruation. Women’s menstruation is affected by many factors, often eat too cold food, can also cause delayed menstruation, low menstrual flow or even cause dysmenorrhea.