Treatment with progesterone to induce menstruation is usually done after about 10 days of delayed menstruation, with normal chorionic gonadotropin levels in blood tests, no abnormalities in the uterine cavity, and a thicker endometrium can be given this drug for treatment. It is usually progesterone soft capsules taken for 5 days or progesterone injection given once a day for 3-5 days, and menstruation will occur about 1 week after stopping the medication. When the endometrium is thin, treatment with progesterone to induce menstruation is not effective. Progesterone is a kind of progestin for women, one is used for menstruation treatment and the other is used for early fetus preservation treatment, which is also very effective. Most of progesterone is a natural preparation, and taking it according to the doctor’s order and according to the course of treatment will not cause adverse effects on the woman’s body.