How long does it take for a baby\’s head to take shape? The closure of the fontanel, which is the shape of the baby\’s head, is affected by the ossification of the skull and the development of brain tissue. Under normal circumstances, the posterior fontanel is close to closed when the baby is born, or is very small and can only fit between one finger. Later, it will be closed at six to eight weeks after birth, and the anterior fontanel will be closed later. As the head develops, it first becomes larger, then becomes smaller as the skull ossification is completed, and finally closes. Newborn baby care encyclopedia download ultra clear epub The time to enlarge is about six months after birth, and the time to heal is about one to one and a half years old.
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