If you want to delay menstruation for a week, you can take progesterone, compound short-acting contraceptive pills and other pharmaceutical preparations under the guidance of a doctor, but clinical practice does not advocate artificial interference with the menstrual cycle. Menstruation is due to the withdrawal of estrogen and progesterone in the body caused by uterine exfoliation and vaginal bleeding, if you want to delay menstruation can be under the guidance of a doctor in the menstrual period of 10-15 days before the supplemental progesterone, progesterone and other progestational agents, or oral short-acting contraceptive pills until you want to menstruation of the first 3-5 days, to be discontinued after the decline in the body’s level of progesterone after the menstrual period will occur. For women who usually have regular menstruation, the clinic does not advocate artificial interference, but if you need to delay menstruation due to work, business trips, competitions and exams and other important reasons, it is recommended that they go to the gynecology department of a regular hospital, under the guidance of the doctor to take medication, do not blindly use the drug, so as not to cause menstrual disorders.