The menstrual color is brown.

Apr 19, 2023 Source: Cainiu Health
Dr. Lv Aiming
Introduction
Menstrual blood accumulates in the uterine cavity and drains poorly, becoming brown after oxidation. Inflammation involving the endometrial layer damages the local endometrial tissue, causing adhesions and narrowing of the uterine cavity, which hinders menstrual blood discharge and leads to oxidation. Multiple abortion procedures or other intrauterine surgeries may injure the endometrium or cause intrauterine adhesions, resulting in reduced endometrial shedding.

Brown menstrual blood may be caused by physiological reasons or pathological conditions such as endometritis or endometrial damage. It is advisable to visit a gynecology department at a hospital to determine the underlying cause and receive appropriate treatment.

1. Physiological Causes

At the beginning or end of menstruation, the menstrual flow is typically light. Blood may stagnate in the uterine cavity and not discharge smoothly, becoming oxidized and turning brown. This is a normal physiological phenomenon and does not require treatment.

2. Pathological Causes

1) Endometritis
Inflammation affecting the mucosal layer of the uterus can lead to localized endometrial damage and adhesions, resulting in a narrowed uterine cavity. This makes it difficult for menstrual blood to flow out, causing oxidation and brown discharge. Under a doctor's guidance, anti-inflammatory treatment may include medications such as levofloxacin capsules, azithromycin capsules, and Gynecological Qianjin tablets.

2) Endometrial Damage
Repeated abortions or other intrauterine procedures may injure the endometrium or cause intrauterine adhesions, reducing the amount of endometrial shedding during menstruation. Under medical supervision, hormonal regulation can be achieved using medications such as estradiol valerate tablets, ethinylestradiol cyproterone acetate tablets, and progesterone capsules.

In addition to the above causes, brown menstrual blood may also result from diminished ovarian function. It is recommended to maintain good menstrual hygiene and undergo gynecological examinations including pelvic ultrasound and sex hormone panel testing to identify the cause and initiate targeted treatment.


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