Menstruation blood is black what is going on

Menstruation color is black, more likely to be caused by qi stagnation and blood stasis, and mental stress, mental tension, anxiety, depression, etc., and stay up late, lack of exercise, like to eat spicy stimulation cold food, etc. are also related. Usually pay attention to light diet, do not stay up late, ensure adequate sleep, proper exercise, maintain a comfortable mood, more can alleviate the phenomenon of menstrual blood black.