<prompt> Bilateral congenital dislocation of hip is associated with all, EXCEPT:Lordotic spineExcess genu valgumWaddling gaitSheltons line deformity  <response>: Widening of perineum and marked lumbar lordosis is the striking feature of BL dislocation of hip. In a child with bl dislocation of hip, there is alternate lurching on both sides Waddling gait. A child with ul dislocation exhibits a typical gait in which the body lurches to the affected side Trendelenburgs gait. Girls are affected six times more than boys and usually have sho stature X-ray shows breaks in shentons line It is an imaginary semicircular line joining medial coex or femoral neck to lower border of the superior pubic ramus Etiology includes: genetic factors, hormonal factors in last weeks of pregnancy, breech malposition, postnatal factors there is experimental evidence that simultaneous hip and knee extension leads to the dislocation during early development Barlows test, oolanis test, Telescopy test, Trendelenburg test and Galeazzis sign may be positive. Also know Maintenance of reduction is done by cast: Frog legLorenz cast or Bachelor cast and by splint: Von Rosen splint Acetabular reconstruction procedure are: salters osteotomy, Chiaris displacement osteotomy and pembeons pericapsular osteotomy. Ref: Apleys 8e, Page 409-17; Maheshwari 3e, Page 200-05. 