What causes dark brown period on the first day of menstruation?

Menstruation is the shedding of the endometrium, which flows out of the vagina. The blood that flows out is generally called menstrual blood. Menstruation is a symbol of mature women and a sign of the beginning of female puberty. Menstrual blood is usually red or dark red. However, many women report that on the first day of menstruation, their menstrual blood is dark brown in color. The editor will explain this to you below.

Menstruation refers to the shedding of the endometrium, and the discharge of the shed endometrial tissue and blood from the vagina. The blood that flows out is called menstrual blood. Women and some female mammals have regular menstruation during their reproductive period. This cycle is called the menstrual cycle. Generally speaking, the amount of blood loss during a woman's menstruation is between 30 ml and 80 ml. A woman's first menstrual period is called menarche, which marks the beginning of puberty. Women do not have menstruation during pregnancy.

You will have menstruation during breastfeeding (so you need to take good contraceptive measures at this time), and menstruation will stop after menopause. Black menstruation is caused by qi stagnation and blood stasis, and the menstrual blood has been stagnant in the uterus for a long time. There are mainly the following situations where black menstruation will appear:

1. Black menstruation due to deficiency of both Qi and blood: menstruation cycle is advanced or delayed, menstrual volume increases or decreases, menstruation is prolonged, color is light, and quality is thin. Or pain in the lower abdomen, or dizziness, or fatigue, pale or sallow complexion, poor appetite and loose stools. Red tongue, thin and weak pulse. 2. Black menstruation due to cold blood: delayed menstruation, small volume, dark color with blood clots. Cold pain in the lower abdomen, relieved by heat, fear of cold and cold limbs. White tongue coating, deep and tight pulse. Treatment should be warming the meridians and dispersing cold. 3. Black menstruation due to deficiency of kidney: irregular menstruation cycle, small volume, light or dark red color, thin quality. Weak waist and knees, heel pain, dizziness and tinnitus, or cold lower abdomen, or frequent urination at night. Pale tongue, deep and weak pulse or deep and slow pulse. Treatment should be tonifying the kidney and regulating menstruation.

The above is some relevant content that the editor explained to all female friends. During menstruation, women's bodies are usually weak, so they should avoid cold water and try to take a bath with warm water. They should wash their hair quickly and blow dry it quickly at noon to avoid catching a cold on the head. They should avoid strenuous exercise, stay up late less, and protect their bodies.