A baby with no hair in a circle behind the head may be due to calcium deficiency and other factors.
For most babies, the symptom of no hair in the circle behind the head is due to the lack of vitamin D and calcium in the body.
Once there is a decrease in calcium absorption, it will lead to the phenomenon of calcium deficiency, which in turn will cause the baby’s sympathetic nerve excitation, affecting the baby’s sleep, and will cause the baby’s head to constantly rotate during sleep, so it leads to the hair on the back of the head being ground off.
In addition, some babies have a circle of no hair at the back of the head, there may also be related to the lack of other trace elements, such as zinc deficiency, iron deficiency of the child, will also affect the sleep, so that the child is always shaking his head, appearing in the back of the head there is a circle of no hair.
Baby head behind a circle of no hair, do not rule out that there will be other reasons, if necessary, need to cooperate with the doctor for examination, understand the cause and then do treatment and treatment.