M.S.
Hi N.,
I can relate to being easily freaked out by things with your child. My suggestion is to contact CPI or an early learning institute and have your baby evaluated on motor skills. This will ease your worries and also you will learn new things that you can do with your baby. As far as crawling goes, some babies don't crawl at all and just start walking when they are ready. Just keep encouraging tummy time and show him the correct way-the range is so varied, I wouldn't worry about it. For autism, I think the parenting institute could help you with that or do a search for autism and contact the specialists. Take care and I hope this helps!
Molly