<prompt> Late complication ofAcetabular fracture -a Avascular necrosis of head of femurb Avascular necrosis of lilac crestc Fixed deformity of the hip jointd Secondary osteoarthritis of hip jointbcacad  <response>: Early complications include sciatic nerve injury and iliofemoral venous thrombosis.Among late complications, the common problem is development of secondary osteoarthritis. Other possible problems include avascular necrosis osteonecrosis of femoral head, Heterotopic ossification and joint stiffness. 