What is the reason for the bleeding below?

Under normal circumstances, there is no aunt, but the bleeding below may be caused by abnormal hormone metabolism in the body, endocrine disorders, or caused by gynecological inflammation, withdrawal vaginal bleeding due to previous use of emergency contraception, and a small amount of bleeding due to ovulation. Patients can judge according to their own actual situation, if necessary, timely medical treatment, evaluation under the guidance of doctors, during this period, it is recommended that women change underwear frequently to prevent sexual life, do the corresponding warm measures to prevent catching cold. At the same time, it is recommended that patients adjust their diet structure during this period to prevent eating cold food.