Bleeding during taking progesterone tablets for endometrial polyps is mostly abnormal. Bleeding during taking progesterone tablets for endometrial polyps may be caused by irregularity in taking medication, missing medication and other reasons that cause unstable hormone levels, leading to drug withdrawal bleeding, which is a pathological condition. In addition, endometrial polyp is too large, local ischemia, necrosis, can also cause endometrial polyp bleeding, is a pathological condition, need surgical treatment. When the endometrial polyp is small, it may improve on its own. If the endometrial polyp is large, it can be treated with surgery, such as hysteroscopic endometrial polyp removal. If endometrial polyps bleed while taking progesterone tablets, consult your doctor to find out the cause of the endometrial polyp and treat it accordingly.