Gibbs Developmental Timeline

4 months

Jan 9, 2001

Infants turn from stomach to side

5 months

Feb 9, 2001

Infants turn from stomach to back

6 months

Mar 9, 2001

Infants turn from back to stomach

8 months

May 9, 2001

Infants sit

9 months

Jun 9, 2001

Infant crawls

11 months

Aug 9, 2001

Infant kneels

13 months

Oct 9, 2001

Infant stands

15 months

Dec 9, 2001

Infant walks