Pregnancy and paranoia

Has pregnancy brought on paranoia for anyone else? I don't mean the normal being afraid of losing your baby type, but like actual paranoia.

I have never been one to be afraid of riding in the passenger seat of anyone driving, but I've noticed that here recently even the best of drivers scare me. Or I've been where I was driving alone and have felt like I was being followed, and sometimes, like today, I have actually been followed. Storms have never in my life bothered me and now I freak out. I feel like I've become so paranoid over little stuff