Normal menstruation is dark red and without blood clots. If blood clots appear during menstruation, it is related to endocrine disorder. Endocrine disorder will cause disorder of hormone levels in the body, which will directly affect menstruation. It will not only cause blood clots in menstrual blood, but also lead to menstrual disorders, low menstrual flow and dysmenorrhea, which can be regulated according to the results of the sex hormone test. The blood clot in the menstrual blood is related to cold, often eat cold food, usually do not pay attention to warmth, over time will cause cold body clots in the menstrual blood, each time the menstruation will also be accompanied by dysmenorrhea phenomenon, should promptly improve the habits of life and diet habits. Blood clots in menstruation are related to uterine pathology, such as endometriosis, fibroids, etc. If left untreated for a long time, the condition will aggravate and affect your health, so you can undergo ultrasound and gynecological examination. Blood clots in menstruation should usually pay attention to personal hygiene and eat more fresh fruits and vegetables.