Many parents notice a slight flat spot or uneven shape on their baby’s head and feel unsure what it means. This common condition, called plagiocephaly , happens when a baby’s soft skull moulds unevenly, often from spending long periods lying in one position or favouring one side when turning their head. In most cases, it doesn’t affect brain growth or development. But it can be a sign that a baby’s neck movement is limited or that one side is working a little harder than the