Motor abnormalities in children a harbinger of serious mental illness?

This is really interesting. I was tested for the S word c1962 . Result was negative, and alts weren’t explored. Have always been clumsy/badly coordinated. Both fine & gross motor skills far from good . SMI from the age of 18. Late ASD DX 2019(62 years old).Dyspraxia mentioned on more than a few occasions, but never dxed