Women want to postpone their menstruation: First, progesterone preparations can be given, progesterone capsules once a day or progesterone injections once a day, as long as the menstruation does not come during the taking of the drug, about a week after stopping the drug will lead to the onset of menstruation. Women who want to postpone their menstruation should preferably take the medication a week before the onset of their menstruation to help raise the progesterone level in the body, as long as the progesterone level does not drop within a high range, the lining will not cause exfoliation and the menstruation will not come. Secondly, gonadotropin-releasing hormone agonists, such as leuprolide, can be taken and injected subcutaneously once a month, and menstruation will not come. Third, oral contraceptive pills can be given once a day and the period will not come during the pills.