There are several reasons why some women’s menstruation appears black: 1, not pay attention to keep warm during menstruation or eat too much cold, frozen food, will cause the uterine cold, resulting in stagnation of menstrual blood, menstrual bleeding, menstruation volume is reduced, the color of the black, caused by endocrine disorders lead to amenorrhea. You need to take Chinese medicine to drive away the cold in the body, drink more brown sugar and ginger water to relieve the symptoms. 2, black menstrual blood, considering that endometritis, it is recommended that menstruation past the gynecologist, with the doctor to do gynecological and ultrasound examination, diagnosis with the doctor to the symptomatic treatment. 3, menopausal women, the body’s secretion of estrogen and progesterone gradually reduced, caused by the uterus, the thickness of the proliferation of the uterus is not enough, after the shedding of the menstrual blood is less, the color of menstruation blood. The color of menstrual blood is dark.