CHD7 and hypogonadotropic hypogonadism: Both the lack of phenotype in the father of individual 1810 carrier of the same CHD7 variant as his son, and the variable phenotype reported in carriers of the variant p.(Gly1797Ala), which varies from CHARGE syndrome to hypogonadotropic hypogonadism 5 and, here, SNHL associated with EVA, is not unexpected.