“Autism sign” by Lilac Hadar is licensed under CC BY-SA 4.0.
These links are information relating to being diagnosed as an adult on the autism spectrum. Below are stories and even a blog run by autistic people based in New York.
An article on what it’s like being diagnosed with autism as an adult
A blog ran by adults on the Autism Spectrum in New York City
Can adults on the spectrum receive a diagnosis? A webMD article
A story about a woman who wasn’t diagnosed until she was 50
A story about a man who had received a late diagnosis of autism as an adult