If the military training period just to catch up with the menstrual period, due to the military training period of training intensity is very large, it is best to delay the menstrual period, it is recommended that in the menstrual period of 5 days before the start of oral progesterone, until the end of the military training until the end of the drug 3-7 days will come to the menstrual period. To pay attention to the following points: 1, after taking progesterone may cause dizziness, to be taken orally before going to bed, to avoid the occurrence of dizziness. 2, it should be noted that due to the oral progesterone to delay the menstrual period, it is possible to come back to menstruation will lead to a relatively large amount of menstruation, do not be nervous, in the menstrual period to strengthen the local care of the vulva, and diligently change the sanitary napkins, to avoid the infection caused by the on can be. In addition, it is also recommended not to do strenuous exercise during menstruation, because strenuous exercise will have a certain effect on menstruation.