Progesterone stops bleeding a little and then stops, usually considered a normal phenomenon after stopping the drug, belonging to the withdrawal bleeding of the drug. Progesterone belongs to a kind of progestin, after taking the drug for a period of time, bleeding will occur on the 3rd to 7th day of stopping the drug. This is due to the sudden discontinuation of progesterone, the endometrium shedding led to the bleeding phenomenon similar to menstruation, can be regarded as a normal phenomenon. Progesterone is a hormone drug that may cause adverse reactions such as dizziness and nausea, breast swelling and pain, menstrual disorders, fatigue, and even abnormal liver function. Patients with liver disease, kidney disease, high blood pressure, heart disease and edema should use it with caution, and it is recommended that the drug be used in moderation under the guidance of a doctor. In general, after stopping progesterone for a week, there is no bleeding, it can be considered endocrine disorders, low levels of estrogen in the body, thin uterine lining or pregnancy and other conditions. It is recommended to go to the hospital for gynecological examination, ultrasound and other examinations to make a clear diagnosis and then carry out treatment.