Home » Health » Congenital bilateral absence of the vas deferens (CBAVD) – Erfheid.nl

Congenital bilateral absence of the vas deferens (CBAVD) – Erfheid.nl

In men with congenital bilateral absence of the vas deferens (CBAVD), one or part of both vas deferens away. As a result, sperm cells from the testicles cannot pass into the semen. The cause is a change in a gene.
Usually it involves a change in a cystic fibrosis (CF) gene. Almost all men with cystic fibrosis have CBAVD.

Men with CBAVD (usually) have no other features of cystic fibrosis. Men with CBAVD often do have sperm cells. The sperm cells can be removed from the balls.
After that, fertility treatment can be used to try to get the partner pregnant.

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