English (United States) English (United Kingdom)
You are here:   Home
Register   |  Login

Privacy Statement


moncler mens ce of all or part of a third copy of chromosome 21. It is typically associated with physical growth delays, characteristic facial features and mild to moderate intellectual disability. The average IQ of a young adult with Down syndrome is 50, equivalent to the mental age of an 8 or 9 year old child, but this varies widely.