Child development stages

Baby Sitting Showing Respiratory System : A baby's first breath is dramatic for all kinds of reasons, including physiological ones. A protein-lipid combination called surfactant plays a critical role in lung development. Researchers have discovered that nutrients such as vitamin D also play important roles in the healthy development of the infant's respiratory system. One of the most obvious ways that we notice the overall immune health of a baby is through the presence or absence of respiratory infections. Respiratory illness is the leading cause of hospitalization among young children. And when it is severe enough to require hospitalization, respiratory illness greatly increases the risk of childhood asthma.

Child development stages are the theoretical milestones of child development, some of which are asserted in nativist theories. This article discusses the most widely accepted developmental stages. There exists a wide variation in terms of what is considered "normal," caused by variation in genetic, cognitive, physical, family, cultural, nutritional, educational, and environmental factors. Many children reach some or most of these milestones at different times from the norm.

Holistic development sees the child in the round, as a whole person - physically, emotionally, intellectually, socially, morally, culturally and spiritually. Learning about child development involves studying patterns of growth and development, from which guidelines for 'normal' development are drawn up. Developmental norms are sometimes called milestones - they define the recognised pattern of development that children are expected to follow. Each child develops in a unique way; however, using norms helps in understanding these general patterns of development while recognising the wide variation between individuals. This page talks mostly about the linguistic development of a child.

One way to identify pervasive developmental disorders is if infants fail to meet the development milestones in time or at all.

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