Dr. Paul Lipkin specializes in Neurodevelopmental Disabilities and Developmental and Behavioral Pediatrics at the Kennedy Krieger Institute in Baltimore, where he directs medical outpatient services.

The CDC recently revised its developmental milestone checklists for infants and young children for the first time in nearly 20 years. The revision included adjusting the milestone benchmarks to ...

This piece is part of Scientific American's column The Science of Parenting. For more, go here. One study of children with achondroplasia found that 100 percent of them commando crawled when they ...

The CDC uses milestones to track how the typical child develops, but pediatricians have a more nuanced view of how kids gain motor, emotional, and social skills. Your child's doctor will keep track of ...