===Further workup===
[[File:Reimer's migration index (crop).png|thumb|300px|Reimer's migration index.]]
In case of hip dysplasia, also measure perform the following:*'''Reimer's migration index''', which can be used to indicate hip dislocation. The migration index (MI) is normally less than 33%.<ref>{{cite web|url=http://www.actaorthopaedica.be/acta/download/2008-5/06-Persiani%20et%20al.pdf|title=Hip subluxation and dislocation in cerebral palsy: Outcome of bone surgery in 21 hips|author1=Pietro PERSIANI|author2=Iakov MOLAYEM|year=2008|author3=Alessandro CALISTRI|author4=Stefano ROSI|author5=Marco BOVE|author6=Ciro VILLANI|journal=Acta Orthop. Belg.}}</ref>*Comparison on '''ossification''' of the femoral heads.
===Report===