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Your health care provider may want to carefully test your hearing. This is known as audiologic testing. Your health care provider might also want to do additional testing to determine if the variants are located on the same (cis) or different (trans) copies of the person's GJB2 genes. One way to do this is by testing other biological family members.
Additional testing may not be warranted. Talk with your health care provider or a genetic counselor about next steps.