Irregular menstrual dribbling with persistent dark brown discharge is considered to be due to hormonal imbalance in the body, endometrial polyps or uterine fibroids. Hormone imbalance in the body can cause irregular bleeding, that is, menstruation lasts longer than a week, you can check the hormone level on the second day of menstruation to determine. Most menstrual periods are regulated by oral medications, such as drospirenone ethinyl estradiol tablets. Endometrial polyps can also cause irregular brown discharge, which requires a gynecologic ultrasound to determine. If the polyp is small, oral medications such as progesterone can be used to promote its shedding. If the polyp is large or abundant, then it should be treated with hysteroscopic surgery. Fibroids can also cause irregular brown discharge if their growth affects the lining of the uterus, which also requires surgical treatment, as determined by gynecological ultrasound. In the clinical situation, if the menstrual flow is persistent, as long as it exceeds one week, it is recommended to consult the gynecology department of the local hospital as soon as possible for relevant examination and treatment according to the results of the examination, so as to avoid delaying the condition.