Final Answer:
Pediatric populations are typically classified into different age groups for healthcare purposes. These classifications include:
Neonates: Newborns up to 28 days old.
Infants: 29 days to 1 year old.
Toddlers: 1 to 3 years old.
Preschoolers: 3 to 6 years old.
School-age children: 6 to 12 years old.
Adolescents: 12 to 18 years old.
Step-by-step explanation:
Neonates: Refers to newborns up to 28 days old, accounting for the critical early stage of life.
Infants: Encompasses individuals from 29 days to 1 year, a period marked by rapid growth and developmental milestones.
Toddlers: Includes children aged 1 to 3 years, characterized by increased mobility and exploration.
Preschoolers: Encompasses the age range of 3 to 6 years, a time when children engage in early education and socialization.
School-age children: Encompasses the ages of 6 to 12 years, covering the primary school years and continued physical and cognitive development.
Adolescents: Refers to individuals aged 12 to 18 years, a phase marked by puberty, social identity formation, and the transition to adulthood.