Approximately one in 700 babies is born with Down syndrome, making it the most common chromosomal condition in the United States. “People with Down syndrome have an extra copy of chromosome 21,” says Amy Houtrow, M.D., Ph.D., medical director of Children’s Hospital of Pittsburgh of UPMC’s Rehabilitation Institute and member of the American Academy of Pediatrics’ (AAP) Council on Children with Disabilities. This additional genetic material disrupts typical mental and physical development, and it may […]
