Very Health Q&A Women’s Health Menstrual Health

What causes dark menstrual blood in women?

Asked by:Corinna

Asked on:Apr 09, 2026 06:01 AM

Answers:1 Views:376
  • Dew Dew

    Apr 09, 2026

      1. What is black menstrual blood?

      The so-called menstrual color is actually the color of menstrual blood. Normally, the color of normal menstrual blood should be mainly dark red, and there is also some shedding in the blood. Uterus Small fragments of endometrium, cervical mucus, vaginal epithelial cells, etc., but no blood clots. But if the menstrual blood is as thin as water and only a little pink or black and purple, it means it is abnormal. And if the menstrual blood is completely clotted, it is also abnormal.

      The reason why menstrual blood turns black and blood clots appear is mostly because there may be other bleeding sites. At this time, female Should go in time Hospital Check and receive active treatment.

      2、Kidney deficiency

      Women with kidney deficiency will also experience varying degrees of darkening of menstrual blood, and these women will also have symptoms of irregular menstrual cycles, less volume, light red or dark red color, and thin quality. During menstruation, these women often experience various symptoms of discomfort, such as soreness and weakness in the waist and knees, heel pain, dizziness and tinnitus.

      3. Deficiency of Qi and blood

      If a woman has Qi and blood deficiency, it will also cause the menstrual blood to turn black, and at the same time there will be symptoms. Dysmenorrhea , low menstrual flow and other phenomena. There are many reasons for women's Qi and blood deficiency. Common ones include malnutrition and reduced immunity. Therefore, these women must pay attention to supplementing nutrition and enhancing immunity in their daily lives. Once Qi and blood are deficient, some women will experience early or late menstrual cycles, increased or decreased menstrual flow, etc.

      Moreover, menstrual blood may appear light in color and thin in quality. During menstruation, these women may also experience symptoms such as fatigue, dizziness, paleness, or chlorosis. For these women, replenishing Qi and blood is the key. Regarding the question of what causes dark menstrual blood, deficiency of Qi and blood is one of the common reasons.

      4. Qi stagnation and blood stasis

      Traditional Chinese medicine in my country points out that the reason why women experience dark menstrual blood is closely related to qi stagnation and blood stasis. There are many reasons for qi stagnation and blood stasis in women. Common factors include cold, physical weakness and other factors. At the same time, some diseases are also the causes of qi stagnation in women. These women will not only have dark menstrual blood, but also have irregular menstruation, more or less heavy menstruation, purple-red color, and the appearance of blood clots.

      In addition, these women will also have symptoms such as lower abdominal pain and refusal to press in the few days before menstruation. At the same time, they are also accompanied by symptoms such as chest, side, breasts, and lower abdomen. distended pain Symptoms such as qi stagnation and blood stasis are common manifestations.

      Menstruation is an important thing in women’s daily life. Through menstruation, we can see a woman’s condition. healthy Situation, if there are abnormal menstruation, women must pay attention!  

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