What's wrong with brown on the first day of your period?

The first day of menstruation is brown secretions, which is normal. Because the first day of menstruation or the end of menstruation, the endometrium falls off to form menstruation. At the beginning or the end of menstruation, the endometrium falls off slowly and less, and the blood remains in the vagina for a long time. Therefore, it will show leucorrhea or bloody secretions, and will show brown, brown, and brown secretions. Generally, the second day, the third day when a large number of endometrial shedding, will show a red amount of menstruation. From the first day of menstruation brown secretions start to count, or brown secretions start to count to menstrual blood completely clean, in 3-7 days, these are normal. Menstruation just started or ended, the amount of color blood color has changed, menstrual blood in the vagina for a long time, will show this brown or black menstruation. As long as there is bright red blood in the middle, the whole menstrual cycle can be controlled within 30-50ml. If the whole menstrual cycle is brown, it is abnormal, and the corresponding examination must be done, and then symptomatic treatment.