Information about fragile X syndrome


Fragile X syndrome is a genetic condition associated with cognitive impairment, learning and behavioral challenges, and several physical features. Learn more about the disease here.


Fragile X is caused by mutations in the fragile X mental retardation 1 (FMR1) gene, located in the X chromosome. Learn more about what causes the disease here.


Symptoms differ in severity and occurrence among patients. Life expectancy for fragile X patients is generally normal. Learn more about the symptoms of the disease here.