Normal or typical development is an ongoing process when a child is changing, growing, and acquiring a certain set of complex skills as they continue to grow. “Developmental milestones include physical or behavioral signs of physical, social, and cognitive progress that lead to mastery over one’s environment such as smiling, crawling, manipulating objects, walking, self-care, and talking are examples of developmental milestones that provide valuable insight into a child’s development” (
Normal or typical development is an ongoing process when a child is changing, growing, and acquiring a certain set of complex skills as they continue to grow. “Developmental milestones include physical or behavioral signs of physical, social, and cognitive progress that lead to mastery over one’s environment such as smiling, crawling, manipulating objects, walking, self-care, and talking are examples of developmental milestones that provide valuable insight into a child’s development” (