Clinically the most effective way to delay menstruation is to take progesterone orally, usually starting 5 days before menstruation and taking it until you think you can have your period. The specific method of taking progesterone can refer to the following: first, if you are using progesterone gel pills, once a day, 2 capsules at a time. Because progesterone gel pills can cause dizziness, it is recommended to take it orally before going to bed, and take it until you think you can have your period, and you can’t skip a dose during the medication. Secondly, you can take progesterone, the specific method of taking is progesterone once a day, 5 capsules at a time. During the period of taking the medicine, pay attention to the progesterone allergy can not be eaten, in the period of taking the medicine if you have menstruation should be stopped, but in the period of taking the medicine is the vast majority of will not come to menstruation.