Developmental dysplasia of the hip (DDH) is a condition seen in infants and young children. It is also called hip dysplasia. In a normal hip joint, the ball of the femur (thigh bone) fits snugly ...

Hip dysplasia occurs when the two bones that come together in the hip joint — the pelvis and femur bones — are out of alignment. The condition can cause misalignment, movement, and flexibility issues ...

Credit: Getty Images Avascular necrosis is a type of osteonecrosis resulting from a disruption in blood supply to the proximal femur and is a major complication associated with developmental hip ...