Background: congenital adrenal hyperplasia is the most frequent cause of sexual ambiguity in childhood. Molecular diagnosis is an element to be considered for the management and genetic counseling of patients and relatives at risk. Objective: to identify the I172N mutation. to determine its frequency in the studied population and its possible relationship with the clinical phenotypes ... https://www.houseandholders.shop/product-category/salt-and-pepper-shaker/