What causes serious hair loss after childbirth?

Postpartum severe hair loss symptoms, the main possible reasons include: 1, severe anemia during pregnancy, postpartum or severe blood loss during childbirth, resulting in simple blood deficiency phenomenon. Hair follicle roots lose blood nourishment, can not supply the nutrients needed for hair growth, so showing hair loss phenomenon. 2, postpartum because of the reasons for taking care of children, long-term lack of sleep, excessive fatigue and hair loss problems. Third, the postpartum diet is unreasonable, too much greasy food, and insufficient intake of coarse grains, resulting in abnormal sebaceous gland secretion of the skin scalp, causing seborrheic alopecia. Fourth, the postpartum long-term do not wash hair, scalp parts shed epithelial cells and secreted oil, will be blocked pores, causing hair loss symptoms.