Women’s menstrual blood has a lot of blood clots, indicating that the amount of menstruation is relatively large compared to most women, menstrual blood is the endometrial shedding, mixed with the cervical opening mucus and vaginal epithelial shedding cells. When the amount of menstrual blood will present a clot look, consider the following possible reasons: 1, there are a small number of women due to individual differences from the beginning of the menstrual flow, menstrual blood in large amounts, clot-like, no other discomfort, their own attention to supplement more blood and beneficial food can. 2, some women themselves have moderate or severe iron deficiency anemia, the endometrial repair has caused a certain impact and lead to bleeding, need to correct the symptoms of anemia. The symptoms of anemia need to be corrected. 3, submucosal fibroids, endometrial redundancy, etc. can cause heavy menstrual flow with blood clots, and it is recommended to do ultrasound examination. 4, endocrine disorders cause anovulatory uterine functional bleeding, which may also show heavy menstrual flow with blood clots.