The most potent risk factor in the development of<unk> <unk>  syndrome is presence of<unk> <unk>  syndrome in any of family members. Other risk factors include family history of developmental delays, autism or intellectual deficit of unknown origin and infertility in the family.
Fragile X syndrome risk factors
Asperger syndrome risk factors
Fragile X syndrome differential diagnosis
Ataxia risk factors
Amyotrophic lateral sclerosis risk factors
Autism causes
Asperger syndrome classification
Asperger syndrome laboratory findings