FG Syndrome Family Alliance, Inc.
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I have a son with FG and a normally developing daughter is there a chance I am not a carrier?
It is not uncommon for a mother of a child with FG Syndrome to also have signs that she was a carrier, although they may be subtle and you may have to ask questions. We HAVE seen numerous examples of affected brothers, or a sister who was quite clearly a carrier herself. While it is always possible that a boy represents a new mutation, we would speculate that this will turn out to be very rare in the case of FG syndrome.
If a mother has a son with the syndrome and a typically developing daughter, it is possible that the daughter is a carrier of the syndrome who can pass it along to her children when she reaches childbearing age.
Given this, we would caution that this mother most likely has a 50% chance with every male pregnancy to have an affected son, and with every female pregnancy there is a 50% chance that daughter will be a carrier.
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Disclaimer: This page was not created by a medical professional. Any errors should
be reported immediately to info@fg-syndrome.org.FG Syndrome Family Alliance, Inc., 2009
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