The National Down Syndrome Society is the national advocate for the value, acceptance and inclusion of people with Down syndrome.
National Down Syndrome Society 666 Broadway, 8th Floor New York New York 10012 800-221-4602 email@example.com
Down syndrome — Comprehensive overview covers causes, risk factors and diagnosis of this genetic disorder.
Down syndrome is a condition in which extra genetic material causes delays in the way a child develops, both physically and mentally.
Down syndrome (DS or DNS) or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. 
Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone ...
What Is Down Syndrome? Down syndrome is one of the most common genetic birth defects. Usually, children born with the condition have some degree of mental retardation
Down Syndrome Causes and Symptoms. Down syndrome is a genetic disorder in which, most often, a third copy of chromosome 21 is present in cells because of an abnormal ...
Down syndrome is a lifelong condition in which a person is born with distinct physical features and some degree of cognitive disability.
What causes Down syndrome? Skip sharing on social media links. Share this: Down syndrome is caused by a random error in cell division that results in the presence of ...