Down syndrome: Causes, characteristics, is it genetic, and more

Down syndrome occurs when a baby is born with an extra chromosome 21. Read on to find out the screening, diagnosis, and types of Down syndrome.

Mosaic Down Syndrome: Symptoms and Diagnosis

Down syndrome: MedlinePlus Genetics

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Down syndrome: MedlinePlus Genetics

What is Down Syndrome? - Quora

What is Down Syndrome? Causes, Symptoms, and Treatment

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Down Syndrome

National Association for Down Syndrome

About Down Syndrome National Down Syndrome Society (NDSS)

Types of Down Syndrome

Genetic conditions: Down's syndrome

What to Know About Down Syndrome: Causes to Symptoms

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