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What if both parents are SMA carriers?
What is the chance that my baby will have SMA?
Can I find out if my baby will have SMA?
Are the results of the tests definite?
Might others in my family be SMA carriers?
What if the amniocentesis or CVS results show that the baby does not have SMA?
What about future pregnancies?
If all tests show that the baby will have SMA, what are my options?
Carrier Testing home
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What is the chance that my baby will have SMA?There is a 1-in-4 (25%) chance that the baby will have SMA. Stated another way, there is a 3-in-4 (75%) chance that your baby will not have SMA.
There is a 1-in-2 (50%) chance that your baby will be a carrier, like you and your partner. This will not have health consequences for the baby, but she or he could be a risk for having a child with SMA in the future.
There is also a 1-in-4 (25%) chance that the baby will not have the changed SMA gene - that is, neither have the disease nor be able to pass on the gene.
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