<prompt> All of the following are true regarding congenital dislocation of hip except-Assymetric Thigh folds may be seenGalleazi sign and Ortolanis test may be positiveIt may be bilateralPolyhydramnios is a known risk factor  <response>: Ans. is d i.e., Polyhydramnios is a known risk factor Risk factors for DDHCDHo Femaleso First bomso FamilialDDH is found in familieso Faulty intrauterine position Breech presentationo Hormone induced laxityo OligohydramnionClinical features of DDHo Girls are affected six times as often as boys. In one third of cases, bilateral affection occurs. Unless it is specially looked for in infancy - as it always should be - abnormality may not be noticed until the child begins to walk. The clinical findings in older child arei Limitation of abduction and external rotationii Limb is in adduction, internal rotation flexion.iii Asymmetrical thigh foldiv Higher buttock fold on the affected side.v Galeazzis sign : The level of the knees are compared in a child lying with hip flexed to 70deg and knees flexed. There is a lowering of the knee on the affected sidevi Ortolanis test may be positive.vii Trendelenbugs test is positive: This test is performed in an older child. The child is asked to stand on the affected side. The opposite ASIS that of the normal side dips down .viii The limb is short and slightly externally rotated. There is lordosis of the lumbar spine.ix Telescopy positive : In a case of a dislocated hip, it will be possible to produce an up and down piston- like movement at the hip. This can be appreciated by feeling the movement of the greater trochanter under the fingers.x A child with unilateral dislocation exhibits a typical gait in which the body lurches to the affected side as the child bears weight on it TrendelenburgsgaitAn a child with bilateral dislocation, there is alternate lurching on both side waddling gait.xi There is compensatory genu valgum as patient tries to keep the foot out to compensate adduction at hip. 