CBAVD

CBAVD causes obstructive azoospermia and is often linked with CFTR (cystic fibrosis) gene variants, so partner carrier testing is usually advised.

Also known as: congenital bilateral absence of the vas deferens, CFTR

Last reviewed: 23 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.