Down syndrome is a condition in which extra genetic material causes delays in the way a child develops, both physically and mentally.

Review some of the causes of Down syndrome, including advanced maternal age. ... What are the causes of Down Syndrome? By Vincent Iannelli, M.D., About.com

Down syndrome b Comprehensive overview covers causes, risk factors and diagnosis of this genetic disorder.

Down's syndrome is the most common cause of mental retardation (see mental retardation entry) and malformation in newborns. It occurs because of the presence of an extra chromosome

This site provides a comprehensive overview of life with Down syndrome or trisomy 21. It covers the cause, symptoms, features, treatments and medical care needed by someone with ...

Learn about Down syndrome, the most common cause of mental retardation. Diagnostic tests for Down syndrome include amniocentesis, chorionic villus sampling, and percutaneous ...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited ...

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited ...

Down syndrome b Comprehensive overview covers causes, risk factors and diagnosis of this genetic disorder.

Most cases of Down syndrome are caused by trisomy 21. As this eMedTV page explains, this means that each cell in the body has three copies of chromosome 21 instead of the usual two ...