Twelve congenital dislocations of the hip in 12 patients were reviewed. Follow-up period ranged from 5 years to 13 years (average 8 years). The radiological assessment was based on Smith's ratio and Severin's classification. Accoding to Smith's ratio, all of the hips had lateral displacement and superior displacement. According to Severin's classification, 7 hips were evaluated as group I a, 4 hips as group II a, one hip as group IV a.
