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Old 06-23-2010
Peewee Peewee is offline
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I believe it is from a gene mutation

I think 50-80% of patients with Congenital Bilateral Absence of the Vas Deferens (CBAVD) have at least one known CFTR gene mutation, in the 508 region. And that approximately 10% have two known CFTR mutations. Most men with CBAVD have only one detectable gene mutation or variant.
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