People can find information on Down syndrome from the March of Dimes, National Down Syndrome Congress and the National Down Syndrome Society, which also have many online resources. Down syndrome is a chromosome-related disorder that affects chromosome 21. This genetic disorder causes affected individuals to have 47 chromosomes instead of 46, states the March of Dimes.
People with this condition can have developmental delays due to intellectual disabilities and different medical issues like heart defects and vision impairment. There may also be physical characteristics associated with this genetic disorder like upward slanted eyes and small stature.
Pregnant women are screened to see if their unborn child has this condition. However, there are nearly 6,000 children born each year with Down syndrome, according to the National Down Syndrome Society.