Traits

Traits linked to CATSPER2

cation channel sperm associated 2

The Human Phenotype Ontology links 10 traits to CATSPER2, by body system: features seen in people with one of the gene's rare conditions.

Abnormality of the genitourinary system

Trait	How often it is seen
Abnormal sperm development	Always
Abnormal sperm head morphology	Always
Abnormal sperm tail morphology	Always
Low sperm count	Always
Male infertility	Always
Reduced sperm motility	Always
Absent sperm in semen	Very often (80–99%)
Immotile sperm	Often (30–79%)

Abnormality of the ear

Trait	How often it is seen
Bilateral sensorineural hearing impairment	Always
Sensorineural hearing impairment	Very often (80–99%)

How often is among people with one of the gene's conditions, the most often across them, as the Human Phenotype Ontology records it. These pages describe traits and the research behind them; they are not a diagnosis, and a doctor or genetic counsellor is the person to ask about symptoms.

Where this comes from

The Human Phenotype Ontology, release 2026-09-01: the traits linked to CATSPER2 and how often each is seen. Find out more at hpo.jax.org.

One test. A lifetime of answers.

From $449Free shipping · Results in 6–8 weeks

Get my Genome Test