If you are taking progesterone orally to induce menstruation, you will usually take it for 3-5 days and have your period 3-7 days after you stop taking it. During the menstrual period, since it is progesterone to induce menstruation, the amount of menstruation will be slightly more than the previous menstrual period, so don’t be nervous. If you do not have your period on the 8th day after you stop taking progesterone, you must exclude the possibility of pregnancy and we recommend collecting morning urine and taking an early pregnancy test. If you are not pregnant, and you have not had your period after taking progesterone, you should pay close attention to the clinical situation and go to the hospital to have a blood test for sex hormone six, mainly to find out if the ovarian function is abnormal, and then, according to the results, you should give the necessary clinical treatment. In addition, when taking progesterone must pay attention not to intermittent taking in the middle, will affect the efficacy.