What Are The Symptoms Of Asperger Syndrome

I m wondering if my 24 year old daughter might have Aspberger s. She has always been very socially awkward, tends to fixate on one topic - although that area of interest shifts around to different topics all the time - she s not exactly physically awkward, she was a gymnast, but a lot of what I m reading seems to make sense. She also has OCD that pops up when she is stressed.