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Brown Discharge Before Menstruation, What Causes it?

By Femometer | Friday, June 7, 2024

Have you ever noticed that sometimes there is some brown discharge on your underwear? It occurs commonly a few days before your period. Brown discharge reflects the vaginal health and reproductive system conditions, usually formed by dried blood that was not discharged during the last menstruation, it mixed with clear vaginal secretions, resulting in a brown color; or it may be sourced from hormonal fluctuations, infections, and other factors. If the brown discharge is excessive, please seek medical attention.

What is Brown Discharge?

Endometrial shedding less mixed with blood to form a brown discharge, is a normal physiological phenomenon, no need to be treated. Some women may have brown discharge in the early stage of pregnancy. If you are during a fertility journey and have brown discharge, we suggest you use pregnancy test strips, to check whether you are pregnant or not. In addition, some diseases may also cause similar brown discharge, such as cervicitis, cervical polyps, luteal insufficiency, placement of the intrauterine device, preterm miscarriage, and so on.

Causes of Brown Discharge

  1. Ovulation Bleeding The brown discharge that appears in the middle of your period may be related to ovulation bleeding or spotting. The ovaries release an egg about 14 days before menstruation, which sometimes results in a red, brown, or pink discharge or spotting. However, ovulation spotting is not common, with only 10 cases in every 450+ menstrual cycles.

    what is brown discharge

  2. Vaginal Bleeding Gynecological exams and surgeries may cause slight bleeding in the vagina, leading to a brown discharge, also allergies to dairy products such as laundry detergents and sprays may cause vaginal bleeding.

  3. Implantation Bleeding Implantation bleeding is one of the most common causes of brown discharge. fertilized egg will settle in the uterus and sometimes bleed in spots, with mild cramps, forming a brown discharge.

  4. Contraception Different types of contraception may cause spotting, resulting in brown discharge or light bleeding that is similar to menstruation. Spot bleeding usually subsides within the first two to three months after starting birth control pills.

  5. Perimenopause Perimenopause means during the pre-menopausal stage, your hormone levels change, so that your menstrual cycle begins irregularly, sometimes your uterus lining stops shedding, sudden spotting a few weeks later, resulting in brown discharge.


Brown discharge is common, and vaginal discharge begins during puberty. It is a mixture of water and microorganisms that keep the vagina clean and healthy by removing dead cells. However, you should seek medical attention if your brown discharge is accompanied by odor, vaginal itching, and other symptoms. Women need to monitor their ovulation, sleep, and menstruation to take better care of their reproductive health, to prevent some gynecological diseases early, and to help them understand their health better.

This article is the original creation of Femometer. All rights reserved by Femometer Inc. To reproduce, distribute, or reference the content, please reach out to us in advance to prevent any potential legal issues. Copyright © Femometer Inc.

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