I'd say yes you're very normal. I think it's cause for concern if you can't find pleasure in anything you used to be able to find pleasure in.
I felt sick with anxiety the whole way through my pregnancy & DH had to pretty much drag me to my u/s there were many times and this might sound awful but many times I'd convinced myself my baby had died.
After what you've been through I'd say Noone could expect you to not have fears. Don't worry your DH knows what you've through, he's a big boy, he'll be ok.
Everything will be fine and in not long you'll be holding your precious little bundle in your arms. Just do whatever you need to do to get through each day and look after yourself.
Thinking of you hugs