The sutures and soft spots allow a baby’s skull to flex as the head passes through the narrow birth canal. In between the bones, there are fontanelles (commonly called soft spots) and the two latest ones to close are at the front and back top centre of the head.
In an infant, the top of the skull (called the cranial vault) has five separate bones which have flexible fibrous sutures holding them together. There are 29 separate bones in a human head and the majority of these are in the face and supporting the brain. There may be a slight difference diagonally and any diagonal difference below 6mm is considered to be within the normal range. A perfectly normal head width at the widest part is 78% of the length. When looking down at the head, a normal head should resemble the shape of an egg with the back of the head being wider, becoming narrower as you reach the front of the head. Normocephaly (pronounced norm-oh-kef-alley) is the medical term for a baby’s head that has normal dimensions and proportions. So, how long does it take for a baby’s head to shape? This blog post explores the causes of a misshapen head and how long it takes for a baby’s head shape to fully develop to ensure you have all the information you need when finding the right treatment for your baby. It’s important to recognise what is considered to be a normal head shape and the options available for babies who develop a flattening in early infancy.
If this hasn’t happened and you are asking ‘when will my baby’s head round out?’, there are a number of reasons why a baby may continue to have a misshapen head. Most newborn babies have misshapen heads at birth and in the majority of cases, this will self-correct in the first few weeks of their life.
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