-
Period: to
Prenatal Stage
Lasts from conception to birth. -
Period: to
Neonatal Stage
last for two weeks -
Period: to
Infancy Stage
two weeks though the first birthday -
Period: to
Toddler stage
12-36 weeks -
Period: to
Preschool Stage
3 to 6 years old -
Period: to
school age
6-12 years