For your sake, I hope not. It's strange to think of it, but, he might just be afraid to hurt you or the baby.
You have the right to know what he feels. Have you initiated sex, yet? Maybe he doesn't think you're interested. Especially if you're tired, sore and moody. It's also important to stroke their ego during this time sweetheart, I hate to say it, but they aren't as strong as we are
let us know, I hope it gets better.