, Stages of growth and development
Newborn - Birth to 1 month
Infancy - 1 month to 12 months
Toddlerhood - 1-2 yrs
Preschool Age - 3-6 yrs (including kindergarten)
School Age - 6-12 yrs
Adolescence - 13-18 yrs
How is INFANT growth measured?
Weight
Length
Head circumference
Infant Head Circumference
infant's head circumference increases 1.5 cm (0.6 in) per month for the first 6 months of life.
Then 0.5 cm (0.2 in) between 6 and 12 months of age.
Birth weight changes double, triple, and quadruple at...
6 months -
double 12 months
- tripled 2-3 yrs -
quadruple