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Causes of Waardenburg Syndrome

Read this page to find out the causes of Waardenburg Syndrome.

Waardenburg Syndrome is passed through the genes from parent to child.

  • Usually Waardenburg Syndrome is passed as an autosomal dominant trait.
  • There is a 1 out of 2 chance your child will have Waardenburg Syndrome if you have it.

Waardenburg Syndrome is caused by changes in the genes.

  • Scientists are studying the genes for Waardenburg Syndrome to understand how they work and how the genes affect hearing.

There are four types of Waardenburg Syndrome

Not all children with Waardenburg Syndrome have the same symptoms:

  • Type 1. These children have a wide space between the inner corners of their eyes. Some may have hearing loss.
  • Type 2. These children have different hair color. About half have hearing loss or deafness.
  • Type 3. These children have differently shaped arms and hands, cleft lip and palate, and a wide space between their eyes. Some have hearing loss.
  • Type 4. Some kids may have a combination of these. This is known as Waardenburg-Hirschsprung Disease.
  • Some kids have a combination of Types 1, 2, 3, and 4, but with little or no hearing loss.

Next: How You Can Help Your Child.

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National Institute on Deafness and Other Communication Disorders

Children's Hospital of Philadelphia
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