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CHRONOLOGICAL OVERVIEW OF HUMAN DEVELOPMENT. Prenatal Conception to birth Infancy First 2 years Toddler 1-3 years Preschool 2 - 6 years Middle childhood 6 – 11 (or until onset of puberty)
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Prenatal Conception to birth Infancy First 2 years Toddler 1-3 years Preschool 2 - 6 years Middle childhood 6 – 11 (or until onset of puberty) Adolescence 11 – 20 years (usually defined by the point where one is reasonable self supporting)