As long as you can build the bond as soon as hes born then not being able to bond while you're pregnant is fine. Everybody's different Don't feel bad
I knew I loved my child while pregnant with him, but the bond we have now (and have had since he was a newborn) I didn't feel anything like it until he was here.
Not always I'm usually disconnected until around 7 months. At least that's what happened with my first and now my current one