No estimate was made for infantile autism due to low number of cases.

No association was found between average alcohol consumption and ASD or infantile autism, respectively.

Results: In total, 401 children were diagnosed with ASD and 157 with infantile autism.

Conclusion: Our findings do not support that a low prenatal alcohol exposure increases the risk of ASD or infantile autism.

A Chinese boy, suffering from infantile autism, looks at a beluga whale in Changfeng Park in Shanghai December 21, 2005.

The hypothesis that specific computerized tomography brain-scan findings are associated with infantile autism was tested in 45 cases and 19 controls.

However, seven of those babies, or 0.87 percent, were diagnosed with infantile autism, compared to the rate of 0.4 percent among kids in general.