Aunt Black is what happened.

Menstruation color is black, first look at how long the black blood lasts, if the whole menstrual blood color is black, this situation is not normal. Consider qi stagnation and blood stasis or palace cold patients, need to go to the hospital according to the patient's tongue coating and pulse to dialectical, and then depending on the situation to symptomatic treatment. Can eat some blood circulation to remove blood stasis or warm meridians cold drugs for conditioning. If qi and blood deficiency caused, can also eat some qi nourishing drugs. If the beginning of menstruation is black, or the end of the menstrual blood is black, there is bright red blood in the middle, menstrual volume is within the normal range, this situation is normal, do not worry too much. During menstruation must pay attention to keep warm, prevent feeling cold.