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About CHARGE

More about reoccurrence with CHARGE syndrome


The reoccurrence risk for CHARGE Syndrome may be .01%, 6%, or 50%, depending on the factors outlined below.

A)  .01%, or 1 in 10,000.  For many parents, the reoccurrence risk will be the same as the general population risk.

B)  Approximately 6%.  If “germline mosaicism” (a unique genetic condition) is present in one of the parents, the reoccurrence risk is about 6%.  Unfortunately, a test for germline mosaicism does not yet exist, but more research is being done at this time.  During pregnancy, though, the fetus can be tested.

C)  50%.  If one of the parents has CHARGE Syndrome, then the reoccurrence risk is 50%.  (If both parents have CHARGE, then the reoccurrence risk is believed to be 66%, due to dominant genes.)


Resources:

For more information about CHARGE Syndrome including links to print & audio sources, news articles, and other sites devoted to CHARGE syndrome, visit our Resources page.