<prompt> Waddling Gait is seen in-Unilateral development dysplasia of hipBilateral Developmental Dysplasia of HipSlipped Capital Femoral EpiphysisPehes Disease  <response>: In a bilateral congenital dislocation of hip the gait is described as duck like waddle. In unilateral cases the child lurches towards affected side. This is known as abductor lurch or Trendelenburg gait. REF:Ref: Tachdijians pediatric Ohopaedics 3rde p.83 