ABO and hearing loss disorder: Idiopathic causes (30%), ABO incompatibility (18%), Rh incompatibility (14.8%), G6PD deficiency (12.6%), and sepsis (3.3%) have been described in other studies as the most common predisposing factors for jaundice complications, including hearing loss disorders (32).Routine ABO and Rh tests are commonly performed for mothers in our medical center.