What causes brown menstrual discharge?

The secretion of brown substances during menstruation may be due to cold or heat. In this case, you must not simply think that it is a sign before menstruation. It may also be uterine bleeding, local inflammation, developmental abnormalities or malnutrition. When brown discharge appears during menstruation, it is important to check it out in time to avoid diseases such as amenorrhea or infertility.

1. Uterine bleeding: Ovulation-related uterine bleeding occurs during the menstrual cycle with ovulation. The amount of bleeding is small, and sometimes only brown secretions are present. It usually stops on its own in 2-3 days, and the longest time is 7 days.

2. Abdominal pain: Periodic pain between menstruation. The pain can be very mild or severe dysmenorrhea. It usually lasts for several hours and can last for 2-3 days in some patients.

3. Infertility: It may be caused by cessation of sexual life due to ovulation bleeding, resulting in missed opportunity for conception.

In addition, brown discharge before menstruation may also be caused by organic diseases or medications. Including local inflammation, tumors, developmental abnormalities and malnutrition of the reproductive organs. There are other endocrine disorders such as thyroid and adrenal cortex dysfunction, diabetes, Sheehan's disease, liver diseases, blood diseases, etc.