Congenital bilateral absence of vas…

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Congenital bilateral absence of vas deferens

ORPHA:48Morphological anomaly

Also called CBAVD · Congenital bilateral agenesis of vas deferens · Congenital bilateral aplasia of vas deferens

What it is

A rare non-syndromic urogenital tract malformation characterized by improper development of the vas deferens leading to male infertility.

Key facts

Prevalence
1-5 / 10 000 (Europe)
Age of onset
Adolescent, Adult
Inheritance
Multigenic/multifactorial
Classified as
Morphological anomaly

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

Genes

ADGRG2Disease-causing germline mutation(s)
CFTRDisease-causing germline mutation(s)

ICD-10 codes

Q55.4filed under a broader ICD-10 category

Cross-references

GARD 5461MEDDRA 10010670MESH C535984MONDO 0018801OMIM 277180OMIM 300985UMLS C0403814

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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