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Genetic and Rare Diseases Information Center (GARD)

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Congenital bilateral absence of the vas deferens


Other Names for this Disease
  • CAVD
  • CBAVD
  • Congenital bilateral aplasia of vas deferens
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Overview


Congenital bilateral absence of the vas deferens (CBAVD) occurs in males when the tubes that carry sperm out of the testes (vas deferens) fail to develop properly. Although the testes usually develop and function normally, sperm cannot be transported through the vas deferens to become part of semen. As a result, men with this condition are unable to father children (infertile) unless they use assisted reproductive technologies. This condition has not been reported to affect sex drive or sexual performance. This condition can occur alone or as a sign of cystic fibrosis, an inherited disease of the mucus glands. Many men with CBAVD do not have the other characteristic features of cystic fibrosis; however, some men with this condition may experience mild respiratory or digestive problems.[1]
Last updated: 12/22/2011

References

  1. Congenital bilateral absence of the vas deferens. Home Reference (GHR). 2008; http://ghr.nlm.nih.gov/condition/congenital-bilateral-absence-of-the-vas-deferens. Accessed 12/22/2011.
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Basic Information

  • Genetics Home Reference (GHR) contains information on Congenital bilateral absence of the vas deferens. This website is maintained by the National Library of Medicine.

In Depth Information

  • The Online Mendelian Inheritance in Man (OMIM) is an catalog of human genes and genetic disorders. Each entry has a summary of related medical articles. It is meant for health care professionals and researchers. OMIM is maintained by Johns Hopkins University School of Medicine. 
  • Orphanet is a European reference portal for information on rare diseases and orphan drugs.  Access to this database is free of charge.
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