What Should You Know about Fragile X Syndrome (FXS)?
Fragile X syndrome (FXS) is the most common known cause of inherited intellectual disability. CDC is working to learn more about fragile X syndrome and fragile X-associated disorders to improve the health and well-being of people with these conditions.
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Facts about Fragile X Syndrome
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Fragile X Video
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Family History Podcast
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- Centers for Disease Control and Prevention
National Center on Birth Defects and Developmental Disabilities
Division of Human Development and Disability
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