Down Syndrome is a condition in which a person is born with an extra chromosome. Babies with Down syndrome have an extra copy of chromosome 21. This extra copy changes how the baby’s body and brain develop.

Down syndrome is also referred to as trisomy 21.

Resources

National Down Syndrome Congress offers resources for anyone touched by or seeking to learn about Down syndrome, from the moment of prenatal diagnosis through adulthood.

Lettercase is part of the National Center for Prenatal and Postnatal Resources, and offers resources and support for medical providers and expectant parents.

Support Groups