What Are The 4 Life Stages?
What Are The 4 Life Stages? Or maybe four: infancy, childhood, adolescence, and adulthood. Developmentalists break the life span into nine stages as follows: Prenatal Development. Infancy and Toddlerhood. What are the main stages of life? The major stages of the human lifecycle include pregnancy, infancy, the toddler years, childhood, puberty, older adolescence, adulthood, middle