If you have not had your period with progesterone, you need to have an ultrasound of the uterine appendages, blood tests for human chorionic gonadotropin and endocrine function. If you have had sex and are not using effective contraception, it is possible that you are pregnant. It may also be due to other causes of irregular menstruation, such as excessive mental stress, anxiety, excessive dieting or exercise to lose weight resulting in malnutrition, loss of body fat, pituitary tumors, abnormal ovarian function, destruction of the endometrium, etc. According to the test results and then the symptomatic treatment, generally after the progesterone, there will be withdrawal bleeding within a week after stopping the drug, that is, the onset of menstruation. Maintain a good optimistic and positive, stable state of mind, and stay up less.