If your child is found to need services, it has been proven that most children improve with the help of intervention. Some children improve very quickly, and some more slowly. If you have concerns that your child is not learning quickly enough then share that as well to determine if other therapies may also be needed.

https://www.autismspeaks.org/about-us/press-releases/early-intervention-toddlers-autism-highly-effective-study-finds

https://scholar.google.com/scholar?q=efficacy+of+early+intervention&hl=en&as_sdt=0&as_vis=1&oi=scholart&sa=X&ved=0ahUKEwjKydeE7rHNAhUG5SYKHa_aAHUQgQMIGjAA

The Early Intervention Program (EIP) is a public program funded by New York State and county governments for children under the age of three who are either suspected of having or at risk for developmental delays or disabilities. Potentially eligible children must be referred to the county program to receive EIP services: