To make menstruation delay, the most commonly used is progesterone, can be taken orally, if the menstrual cycle is regular, it is recommended to take orally 5 days in advance, has been eating until the need to delay menstruation until the time to stop the drug, after stopping the drug, the vast majority of 3-7 days after the menstruation, but the individual allergic to progesterone, can not be delayed in this way, you can use traditional Chinese medicine to delay the menstruation method. In addition, in taking progesterone to delay menstruation should pay attention to: 1, because progesterone pills may lead to dizziness, so before going to bed orally. 2, during the period of time you can not interrupt the use of medication, intermittent use of medication may lead to irregular vaginal bleeding. 3, in the discontinuation of the medication and then menstruation will lead to an increase in the amount of menstruation, don’t be nervous.