Freaking out

I had a miscarriage seven weeks ago and now I’m five weeks pregnant. It was a complete surprise. But ever since I found out I was pregnant again I’ve been freaking out. I’ve been kind of detached from this pregnancy. Am I more likely to have another miscarriage because I’ve already had one? Some statistics say yes and some say no. This time around I have less morning sickness which also freaks me out. My first appointment is tomorrow and I’m terrified because of what happened last time. Am I worrying for nothing?😪