Why do small babies have wobbly heads?
Small babies' heads weigh more than any other part of their bodies - up to a quarter of their weight in most cases. Babies do not need to use their muscles when in the uterus, so when they are born, they have very weak and undeveloped neck and head muscles.
Author: Idan Ben-Barak
First answered: 14 Jul 2015
Last reviewed: 19 May 2018
Rating: 4.5/5 Votes: 949