Down Syndrome

Condition Basics

What is Down syndrome?

Down syndrome is a genetic condition. It affects childhood growth and development. People who have it may share similar features and health issues. They may learn to talk later than other children and have some intellectual disability. But every person's experience is different. And everyone with Down syndrome has unique strengths and abilities.

What causes it?

Down syndrome is caused by having an extra chromosome, Opens dialog. This affects the way a baby's body and brain develop during pregnancy and after birth. Doctors don't know for sure what causes the extra chromosome.

What are the symptoms?

People with Down syndrome may share similar features, such as almond-shaped eyes that tilt upward. They usually learn to talk later than other children and have some intellectual disability. Some people may also have certain health issues, such as a heart or breathing problem.

How is it diagnosed?

During pregnancy an ultrasound and a blood test can show if a fetus may be at risk for Down syndrome. Other tests can show if a fetus has Down syndrome. These include chorionic villus sampling, Opens dialog and amniocentesis, Opens dialog. A baby can be diagnosed after birth based on a physical exam.

How is Down syndrome treated?

A baby with Down syndrome will be tested for health problems soon after birth. These include eye, ear, or thyroid problems. The sooner any problems are found, the better they can be managed.

Regular doctor visits can help your child stay in good health. Most children with Down syndrome need speech therapy and physical therapy.

Teens and adults with Down syndrome may need occupational therapy to learn job skills and learn how to live on their own. If they need social and emotional support, counseling can help.

Information about Down Syndrome

Current as of: July 31, 2024

Author: Ignite Healthwise, LLC Staff

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This information does not replace the advice of a doctor. Ignite Healthwise, LLC, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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