After stopping progesterone, heavy menstruation is considered to be related to endometrial thickness, adverse pregnancy and other factors, at this time should be based on the cause of the disease through medication, surgery and other treatments. 1. Thick endometrium: for women who have stopped menstruating for several months or women with high estrogen levels in their bodies, due to the long-term effect of estrogen on the endometrium, stimulating endometrial hyperplasia, stopping progesterone at this time will result in a complete stripping of the endometrium, thus resulting in heavy menstruation, which is a normal phenomenon, and can be prescribed to take sodium carrageenan sulfate, Yunnan Baiyao capsules if necessary, and scraping surgery if necessary. 2. Adverse pregnancy: progesterone also has a role in protecting the fetus, for patients with preeclampsia, if there is a lot of menstrual vaginal bleeding after stopping the drug, this time to be vigilant about the occurrence of difficult to avoid miscarriage, complete miscarriage, at this time according to the results of the ultrasound, if necessary, need to be carried out to clear the uterus. For women with heavy menstrual flow after stopping progesterone, it is recommended that they go to the gynecology department of a regular hospital, complete the ultrasound and other relevant examinations, and then actively treat under the guidance of the doctor after clarifying the cause of the disease.