I would tread quite carefully here Paperview.
CAMHS were convinced that my son's issues were caused by my depression and insisted that he showed no signs of ASD. It's true that there is evidence that maternal depression can cause problems with social skills and anxiety and other symptoms that are present with ASD.
However, after asking advice and doing a BIBIC assessment I realised that there were too many additional factors to be explained in that way - sensory issues, rigidity etc.
I had to insist on a second opinion and really push for a full assessment (their first one wasn't a proper multi-disciplinary assessment, just with one psych who had no specific training in ASD). They were sceptical about my report of his symptoms and kept trying to explain everything in terms of parenting/life experience.
Eventually, I managed to get DS into an ASD special school and I get told regularly by the staff (who have years of experience with ASD) there that he's a fairly classic case of HFA
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The problem is that IME, CAMHS do tend to approach things from the point of view that any problems will be caused by home/family issues, before looking at the possibility of developmental disorders.
I started my involvement with CAMHS wanting to be open and to 'let them decide' on the basis of all the evidence I could offer. With hindsight, I would discourage anyone else from doing so. Many parents here have a pretty good idea already what dx would be appropriate so if you think ASD is what you're looking at, I would set out everything I tell them to be consistent with that.
I wouldn't muddy the waters with irrelevant information because I just don't trust them to treat each case on its individual merits. If I could go back I wouldn't have mentioned anything about my depression at all - they wouldn't have found out about it if I hadn't raised it first.