Conditions + Treatments

Fragile X Syndrome in Children

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Contact the Fragile X Program

What is fragile X syndrome?

Fragile X syndrome is a genetic condition that can cause a range of learning and developmental problems. These can include:

Some children with fragile X may also have mildly characteristic features such as prominent ears.

Fragile X is more common in boys than girls, and boys with fragile X usually have more severe symptoms.

Care for fragile X syndrome

At the Boston Children’s Hospital Fragile X Program, we provide specialty care for children and adults with fragile X. We’re also actively involved in doing research to learn more about the condition and to find better treatments.

Make an appointment

Boston Children’s is so much more than a hospital—it’s a community of researchers, clinicians, administrators, support staff, innovators, teachers, patients and families, all working together to make the impossible possible. ”
- Sandra L. Fenwick, President and CEO

Boston Children's Hospital
300 Longwood Avenue, Boston, MA 02115
For Patients: 617-355-6000
For Referring Providers: 844-BCH-PEDS | 844-224-7337