The fact that the leukorrhea has been brown after menstruation indicates that there is blood mixed in the leukorrhea, which may be caused by ovulatory bleeding, luteal insufficiency, and reproductive system pathology.
Ovulation bleeding: some women will experience ovulation bleeding, i.e. mid-period bleeding, which refers to a small amount of bleeding between two normal menstrual periods, and can be accompanied by varying degrees of abdominal pain. If the symptoms are mild, there is no need to treat, but if the bleeding is heavy or affects fertility, medication can be used.
2. Luteal insufficiency: brown discharge may appear some time before menstruation, and continue until menstruation, and brown discharge may appear after menstruation, which may be due to abnormal luteal function, which indicates that the level of progesterone in the body is on the low side, and supplemental treatment is generally needed.
3. Reproductive system lesions: such as endometrial polyps, endometrial cancer, cervical cancer and other causes of irregular vaginal bleeding.
Leukorrhea has been brown, you need to do gynecological examination, pelvic ultrasound to rule out organic lesions of the reproductive system, before you can consider whether it is caused by abnormalities in the function of the gonadal axis, ovarian function, and then you need to do a sex hormone six measurements to carry out the investigation.