Fragile X Resource Center of Missouri

The mission of the Fragile X Resource Center of Missouri is to benefit the lives of individuals with Fragile X Disorders and their families through support, education, public awareness, and advocacy.

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Fragile X-Associated Disorders


Fragile X Syndrome (FXS)
FXS is a genetic condition caused by a full mutation of the FMR1 gene. Symptoms include intellectual disability, behavioral and learning challenges, and various physical characteristics.

Males are more frequently affected, and generally with greater severity.

Fragile X-Associated Tremor/Ataxia Syndrome (FXTAS)
FXTAS is a genetic condition caused by a premutation of the FMR1 gene. Symptoms include balance, tremor, and memory problems and usually occurs after age 50, with symptoms worsening with age.

Fragile X-Associated Primary Ovarian Insufficiency (FXPOI)
FXPOI is a genetic condition caused by a premutation of the FMR1 gene. “Primary ovarian insufficiency” refers to a spectrum of impaired ovarian function that includes infertility and early menopause in women prior to the age of 40 years.