DMD and neuromuscular disease caused by qualitative or quantitative defects of dystrophin: While the personal and family history of the patient was not suggestive of a second DMD variant, and the presence of a single variant in a family does not increase the likelihood of a second variant, it is reasonable to include a discussion about the possibility of unexpected results during pre‐test counseling for carrier testing for dystrophinopathies, given their prevalence in the general population.