# How is SMA Inherited?
Keywords: spinal muscular atrophy, SMA, autosomal recessive, SMN1 gene, genetic testing, carrier screening, genetic counselor

> This page explains the genetic inheritance of spinal muscular atrophy (SMA), the role of family history, and the importance of genetic testing and counseling for understanding risks and making informed reproductive decisions.

## Details
- [Spinal muscular atrophy is an inherited disease](#): SMA is an autosomal recessive condition requiring two mutated SMN1 genes for a child to be at risk, while carriers usually show no symptoms.
- [A family history](#): Individuals with a family history of SMA have a higher likelihood of being carriers, and consulting a physician can help identify specific mutations.
- [Testing based on family mutations](#): Appropriate genetic tests can be determined based on known family mutations, including copy number testing for SMN1 deletions or targeted testing for subtle gene changes.
- [Role of a genetic counselor](#): Genetic counselors help families understand genetic risks, testing options, and the implications of carrier screening for SMA.
- [Importance of genetic testing](#): Confirming a diagnosis of SMA through genetic testing is crucial for accurate identification and management.