When you take progesterone capsules, you may have menstruation when you first start taking them, and it is normal to cause amenorrhea after continuous use. However, it is recommended to pay attention to exclude the possibility of pregnancy when there is no menstruation. Pregnant trienone in the clinical treatment of endometriosis, so that the ectopic lesions shrink at the same time so that the endometrium shrinks, it will lead to the possibility of gradual amenorrhea. This is the main symptom that appears after oral administration of progesterone in clinical practice, and it is recommended to continue the treatment with the medication. It is recommended to continue the treatment with the medication. Discontinue the medication according to the medical advice in the clinic, and pay attention to the changes of liver and kidney function during the course of taking the medication.