Hysteroscopy to do clearance surgery is not clean, if the residual tissue is relatively small, did not cause a lot of vaginal bleeding, you can take progesterone orally, in about 20 days after the clearance operation to start taking progesterone, take 7 days, the vast majority of stopping the drug 3-7 days after the menses, the residual tissue will be discharged with the menstrual blood out of the vagina, at this time, the progesterone will have a medicinal scraping The effect of progesterone will be a medicated curettage at this time. If you don’t get rid of it and there is a lot of bleeding, there is no other way but to remove the uterus again, which may reduce the vaginal bleeding and discharging the residues in the uterus, or else it will cause a lot of bleeding which will be life-threatening.