Fragile X Syndrome and Autism: What Parents Need to Know

 

Fragile X syndrome is one of the clearest genetic causes of autism. It involves a change in the FMR1 gene on the X chromosome, which affects brain development. 

Around 30 to 50 percent of people with fragile X are autistic. Some autistic children are later found to have fragile X, especially when learning difficulties are present. 

Why Fragile X Matters 

Clear Genetic Cause: Fragile X comes from a specific, testable gene change, helping families understand developmental challenges. 

Family Inheritance: As an X-linked condition, fragile X can be passed from mother to child, even when the mother has no symptoms. 

Families seeking genetic guidance can explore consultations through Autism Detect. Some children also have overlapping ADHD traits, which can be explored through ADHD Certify. 

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