Developmental milestones are markers or guideposts that enable parents and professionals to monitor a baby's learning, behavior, and development. Developmental milestones consist of skills or [..]

The progressive stages in the development of a child’s physical and psychological abilities.

A set of functional skills or age-specific tasks that most children can do at a certain age range. Source: University of Michigan Health System http://www.med.umich.edu/yourchild/topics/devmile.htm

important points in a baby's development, such as crawling, walking and talking. developmental problems