My son 3 has been diagnosed on the autistic spectrum. He goes to nursery part time I pick him up no problems each time they tell me he has had good day he's been fine. On a report to other professional they quoted he was rude aggressive and disruptive. They havery not raised these concerns with me at all and he shows none of these traits at home how do I approach the nursery about there powerful wording on a 3 year old