What is the reason for the blood clot in menstruation?

Menstruation blood clots and a large number of endometrial shedding, poor health, improper diet. In addition, endocrine disorders, cold uterus, inflammation infection will also occur this phenomenon. You can drink a lot of hot water or brown sugar water, local hot compress and other relief symptoms. Menstruation should pay attention to personal hygiene, frequent change of underwear.