Getting a diagnosis was so positive for us. It's like being handed a set of keys.
You won't be able to magically change a frustrated child into a happy one, but you can begin the process, now that you have better tools.
Best of luck to you and your daughter!
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Mom to an amazing young adult AS son, plus an also amazing non-AS daughter. Most likely part of the "Broader Autism Phenotype" (some traits).