The CDC just announced that the new dx ratio is 1:36 [Read article]
To give you perspective, back when I was dx in childhood it was around 1:151, when I started undergrad it had come to 1:88. Just during my undergrad, the numbers progressed from 1:64 to 1:54 and by the end of my undergrad, it was 1:44.
And
- (But of course). Autism is reported to occur in all racial, ethnic, and socioeconomic groups. [Read article]
- About 1:6 (17%) children aged 3–17 years were diagnosed with a Dev Disability (autism, AHHD, blindness & CP) [Read summary]
- ASD is more than 4 times more common among boys than among girls. [Read article]
The new ratio simply can't be just due to increased dx capabilities or awareness or more adults being dx. What else is going on? We need to be investigating this.