Hello mommies.. My baby is 7 month and 10 days old.. recently i am noticing that she shakes her head ..more like shivering.. she is doing it when is in full josh, i mean when she grabs her fav toy, when she sees something she likes..kind of.. thats fine but when she is idle she does this sometimes.. it makes me worried .. is it normal or any developmental issue? i will see doc soon but before that would like to hear your opinion too.. please help me out mommies and doctors..