Now that babies are all sleeping on their backs, many babies are getting what’s called “positional plagiocephaly,” or flat heads. This usually resolves itself with lots of tummy time — I suggest after every diaper change — so babies have time when they’re not on their head. Occasionally your pediatrician may recommend a positioning helmet, which helps to reshape the head. By putting babies on their stomach from day one, most parents can avoid ever needing the helmet, so tummy time is important!
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