#asktheexpert Hi Dr, My son in 1 yr and 7 mo old... His skull is not yet fused and there is a little round yet to seal. should I be concerned or shall I wait for some more time

A. Soft spot that doesn't close If the soft spot stays big or doesn't close after about a year, it is sometimes a sign of a genetic condition such as congenital hypothyroidism. What you should do: Talk to your doctor about treatment options.