Here you will find stage levels of development that are in the overall average range of development according to www.Healthy Children.org
At Birth - 3 months your baby should...
At 4 - 7 months your baby should...
At 8 - 12 months your baby should...
Toddler Growth & Development
Your child is advancing from infancy toward and into the preschool years. During this time, his physical growth and motor development will slow, but you can expect to see some tremendous intellectual, social, and emotional changes. (1-3 yrs.)
Preschool Growth & Development