Hip dysplasia in practice covers a wide spectrum of disorders ranging from a completely dislocated hip to one that is slightly shallow. Dislocated hips are usually identified in infancy but shallow hips will often function normally until early adult life. If left untreated this will eventually result in osteoarthritis usually between the age of 30 and 50. Hip dysplasia is more common in women and will generally cause an aching pain over the side of the hip or in the groin.