I am struggling

Im having a really hard time relaxing this pregnancy. I have dreams almost every night where I’m bleeding and I wake up rushing to the bathroom freaking out. I’ve also been having a lot of lower back pain (which I’ve always had back pain) but it freaks me out too. I’m super nauseas (previous pregnancy I was sick from morning to night and the baby wasn’t healthy so I associate the 2) and I just don’t know what to do to calm myself down. I’m 7 weeks 3 days and have such long way to go and I just want to enjoy this pregnancy 😩