Selective ultrasound screening for developmental hip dysplasia: effect on management and late detected cases. A prospective survey during 1991-2006.

Background: Early treatment is considered essential for developmental dysplasia of the hip (DDH), but the choice of screening strategy is debated.

Objective: We evaluated the effect of a selective ultrasound (US) screening programme.

Materials And Methods: All infants born in a defined region during 1991-2006 with increased risk of developmental dysplasia of the hip, i.