Can Stutters Be Genetic?

Genetics. Stuttering tends to run in families. It appears that stuttering can result from inherited (genetic) abnormalities.

How is stuttering passed on?

Genetics and Stuttering

The evidence for genetic factors in stuttering is overwhelming, with genetic factors playing a role in at least half of all cases. Although stuttering does cluster in families, severity does not. In other words, if you have a family member who stutters, you are more likely to stutter.

Is stuttering caused by parents?

Family histories of stuttering demonstrate that stuttering runs in families and is influenced by genetic factors. Children who stutter, for example, often have relatives who stutter.