So if we're talking about children who are developing autism, are children born with autism normally? Or is it something that develops within that first year of life? When do those signs start to come out?

Right.

So they are born with it, but it is difficult to pick them up in the first 12 months.

It's thought to be, the biggest contributory factor is thought to be genetics, not necessarily inherited genetics, but like a combination of you know, susceptibility, different genes interacting with the early brain development.

And so, yeah, they are born with it.

They often undergo a sort of regression.

A lot of kiddos undergo a regression at around 18 months.

What is OP? When children have occupational therapy, what are they gaining from these sessions? So