For whether or not progesterone can be used for drenching periods, it depends on what is causing it. If it is caused by insufficient function of the corpus luteum, progesterone can be used. If it is caused by thickening of the uterine lining, progesterone cannot be used at this time. If the patient finds that the menstrual dribbling, the first thing to do is to go to the hospital for an ultrasound to check the cause, because there are many reasons for this symptom, and the more common one is endocrine disorders in the clinic. If there are cervical or endometrial polyps, as well as uterine fibroids, adenomyosis, inflammation of the uterus, all of these will lead to irregular menstruation, and this situation needs to be based on the results of the examination of the symptomatic treatment with medication.