Fragile X Syndrome

"Fragile X Syndrome"

Clinical Trials — Safety, Tolerability and Efficacy Study of STX209 in Subjects With Fragile X Syndrome Add-on Pilot Trial of Minocycline to Treat Fragile X Syndrome Biomarker Testing and DNA Collection in Subjects Participating in Protocol 22001 Biomarker and DNA ...More…

Learn More About Fragile X Syndrome

Centers for Disease Control — Fragile X is a group of genetic disorders that can affect individuals and their families in many ways because they are all caused by changes in the same gene, the Fragile X Mental Retardation 1 (FMR1) gene. The group of fragile X conditions includes:More…

Learning About Fragile X Syndrome

Human Genome Research Institute — Fragile X syndrome is the most common form of inherited mental retardation in males and is also a significant cause of mental retardation in females. It affects about 1 in 4,000 males and 1 in 8,000 females and occurs in all racial and ethnic groups.More…

What is Fragile X syndrome?

Centers for Disease Control — Information on single gene disorders and disability. Provided by the U.S. Centers for Disease Control & Prevention. Fragile X syndrome (FXS) is the most common known cause of intellectual disability, also known as mental retardation, and ...More…

Fragile X Syndrome

Child Health & Human Development — Fragile X Syndrome What is Fragile X syndrome? Fragile X syndrome is the most common form of inherited mental retardation. Fragile X happens when there is a change, or mutation, in a single gene called the Fragile X is inherited, which means it ...More…

Fragile X syndrome

National Library of Medicine — Fragile X syndrome is a genetic condition that causes a range of developmental problems including learning disabilities and cognitive impairment. Usually, males are more severely affected by this disorder than females. Males and females with ...More…

Autism and Fragile X Syndrome

Fragile X Foundation — Fragile X syndrome can cause a child to have autism or an Autism Spectrum Disorder (ASD) though not all children with fragile X syndrome have autism or an ASD. For between 2% and 6% of all children diagnosed with autism, the cause is the Fragile ...More…

Fragile X Syndrome: What is it?

Your Genes, Your Health — Learn how gene expression is controlled. Learn the basic chemistry of DNA and proteins.More…

What is Fragile X Syndrome?

Stereotypic movements such as hand flapping, toe walking, spinning objects Sensory seeking behaviors such as overstuffing mouth, mouthing or chewing objects Delays in meeting milestones (sitting, walking, talking, toilet training) In addition to ...More…

Families and Fragile X Syndrome

Child Health & Human Development — Welcome to the National Institute of Child Health and Human Development (NICHD) family album about Fragile X syndrome. As a health research agency, the NICHD family includes not only scientists, researchers, and health care providers, but also ...More…

This page was developed in conjunction with NIN/NICHD

Fragile X Foundation — POI is a condition in which the ovaries stop functioning normally in a woman younger than age 40. Common symptoms of POI include absent or irregular periods and infertility. Even though women with POI may develop symptoms similar to those of ...More…

What Does It Mean To Be a Carrier?

Fragile X Foundation — Special Acknowledgment to the University of North Carolina's Fragile X Information Center website for contributions to the following information. It is not uncommon to find out that you or someone in your family is a "carrier" for a fragile ...More…

Fragile X Syndrome

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