Your child's physical growth during the second year, although
considerable, is less rapid than during the first year. In the second year,
toddlers gain an average of
3 lb (1.4 kg) to
5 lb (2.3 kg) and grow an
average of 3 in. (7.6 cm) to
5 in. (12.7 cm). Normal and
expected physical growth requires adequate nutrients and a nurturing
environment.
As toddlers begin to walk and become more active, they develop leaner
and more muscular arms and legs and lose fat around the face and tummy. They
also lose some of their baby look.
In the second year, the molars usually begin to come in. These large
and flat teeth may cause your toddler pain before and while they are erupting
through the gum tissue. This may cause irritability, disrupt sleep patterns,
and change your toddler's behavior. For more information about tooth eruption,
see the topic Teething.