Withdrawal bleeding usually manifests itself in the form of vaginal bleeding of varying degrees and abdominal pain after stopping the pill, and the symptomatic manifestations may vary due to different conditions of the organism. Withdrawal bleeding is a reaction that occurs after a woman stops taking drugs such as birth control pills or progesterone for a period of time. These drugs cause changes in hormone levels in the body, resulting in a thickening of the uterine lining, which is then stripped away after the drug is discontinued, causing vaginal bleeding. Withdrawal bleeding, in addition to vaginal bleeding or abdominal pain, may also be accompanied by symptoms of back pain or poor mental state, usually with the prolongation of time, the symptoms will be reduced. In case of heavy vaginal bleeding or more serious discomfort, it is recommended to consult a doctor to clarify the cause of the problem and provide targeted treatment or therapy.