I was in a similar position two years ago (my husband also didn’t understand/agree initially) as nursery raised concerns about DD1 around her second birthday. DD2 was a newborn and so there was lots going on.
She was non-verbal then but I had no concerns about eye contact. Response to her name was inconsistent and I now realise she was engaging in sensory-seeking behaviours but didn’t know this at the time.
I spoke to a private speech and language therapist a few weeks after nursery raised their concerns and she explained how and why those concerns could be autistic traits. I remember crying when I put DD to bed that night as I was just so worried and scared for her future.
Not all autistic children are the same, my DD is significantly impacted (to put it lightly) but she is making lots of progress in her own way. She is still largely non-verbal (has a few non-functional words) but is good at communicating her needs by taking us by the hand to what she wants.
She is now just turned 4 and received her autism diagnosis a couple of months ago as we went via Right to Choose once she was placed on the NHS waiting list. She copes well in a mainstream nursery, for now at least. She has significant sensory processing difficulties but we have a lot of things in place for her both at home and nursery.
DD tip-toes, lines up toys, likes playing alone but she also loves books, nursery rhymes, knows her numbers and alphabet and can arrange them in order.
Aged 0-2, DD seemed to cope well with changes to routine and there were no real concerns around her eating and sleeping but this changed a few months before she turned 3 when she largely stopped eating most foods and was awake for hours in the night. But for us at least, even the hardest bits are phases and there are good days and bad days and good weeks and bad weeks.