Taking progesterone for menstruation belongs to a kind of drug scraping, which is equivalent to scraping the uterus. Progesterone is a progesterone preparation, women take it can make the endometrium produce sufficient secretory phase response, after stopping the drug, the endometrium lose estrogen and progesterone support will occur a complete peeling, that is, drug scraping. Drug scraping is suitable for patients with endometrial thickening, abnormal uterine bleeding, endometrial polyps, but pay attention to due to the taking of drugs will lead to menstrual-like vaginal bleeding, so make sure that the hemoglobin level is higher than 80g / L before taking the drug to avoid dizziness, fatigue, blood pressure drop and other discomforts. At the same time for women, if you need to take progesterone to menstruation, it is recommended that they take it under the guidance of a doctor, not blindly use the drug, so as not to cause menstrual disorders.