The skeletal development of 3-year-old babies is basically fixed, so it is difficult to change the bad head shape.
Generally speaking, the fontanel of the baby’s head is usually closed within one and a half years old, the head shape is basically fixed, so there will not be much change after the age of 3, it is difficult to change over. Bad head shape may be the child’s development during the poor sleeping posture caused by local deformities, stereotyped pillow can be appropriate to correct the baby’s head shape. But it is unlikely to be completely corrected.
It is recommended to pay attention to the baby’s sleeping posture during the infant bone development period, fixed head, to avoid long-term in the same orientation, resulting in the baby’s head shape is not good.
If the head shape is obviously abnormal, it is recommended to correct the bad habits, if necessary, specialist consultation.