If you want to take progesterone to delay menstruation, the usage is to start taking it a week before the next menstruation, twice a day, until the day before you wish to have your period, you can stop taking it, and your period will come in about three days after you stop taking it. If the menstruation does not come after stopping the medication for more than a week, you should go to the hospital. Under normal circumstances, doctors do not recommend women to postpone their menstruation, as menstruation is a natural physiological process, and postponing menstruation for a long time may lead to endocrine disorders and eventually lead to menstrual disorders and even a series of complications, which are harmful to women’s bodies.