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Post-natal development refers to the physical, cognitive, emotional, and social changes that occur after birth and continue throughout a person’s life. This development is generally divided into several stages, including infancy, early childhood, middle and late childhood, adolescence, and adulthood. Each stage is characterized by distinct growth patterns and developmental milestones. In this unit, however, we will focus specifically on postnatal development from infancy through late childhood. This includes infancy, which spans from birth to two years; early childhood, from around two or three years up to six or seven years; and middle to late childhood, from seven to twelve years.
1. Infancy (0-2 years)
Figure: Physical Milestones during Infancy
Infancy is the earliest stage of postnatal development that spans from birth to two years of age. In this sub-section, we will look at physical and motor development during infancy, Sensory and perceptual development in infancy, cognitive development, emotional development, social as well as language development.
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