My granddaughter is 20 yrs old with severe autism,I. D. , non-verbal with severe behaviors In January we notices she had a slight limp By February it was more noticeable and would sometimes brush the wall when walking by March it increased needs support to walk loss of balance and now needs assistance for everything involving walking. been to her pediatrician on several occasions but no answers. took an xray of right hip was clear. She is unable to attend school because it has become an safety issue . any ideas and suggestions?