Down Syndrome (DS) is a commonly occurring chromosomal abnormality. The incidence
increases with advancing maternal age over 35 years. Over the last three decades …

Over 7000 rare diseases, each< 200,000 US residents, affect nearly 30 million people in the
United States. Furthermore, for the 10% of people with a rare disease and for their families …

Down syndrome (DS) is the most commonly identified genetic form of mental retardation and
the leading cause of specific birth defects and medical conditions. Traditional …

Findings from a recent study of the largest documented cohort of individuals with Down
syndrome (DS) in the United States described prevalence of common disease conditions …

OBJECTIVE: We aimed to estimate the prevalence of Down syndrome (DS) among children
and adolescents aged 0 to 19 years in 10 regions of the United States. METHODS: This …

Major efforts in Down syndrome (DS) research have been directed at the identification and
functional characterization of genes encoded by human chromosome 21 (HSA21). In …

Down syndrome (DS) is one of the most common chromosomal abnormalities. Because of
medical advances and improvements in overall medical care, the median survival of …

Objective To examine the prevalence of medical conditions and use of health services
among young adults with Down syndrome and describe the impact of these conditions upon …

Objective To calculate a reliable estimate of the population prevalence of Down syndrome in
the US. Study design The annual number of births of infants with Down syndrome were …