pregnant but nervous

I got a positive pregnancy test today! I should be excited and elated, but I find myself nervous and weary because I have had two miscarriages in that past year. I feel like I'm taking away the excitement of this pregnancy (if it sticks) I'm 3 days late on my period so it's still early and that makes me even more nervous. I lost my first last Christmas and I was 4 weeks, I then lost my second in May of this year and I was 6 weeks. Both very early but I was so excited! I just don't know if I can handle the disappointment again! I'm not having cramping but slight stiffness, for lack of better words, in my lower pelvis. Has anyone experienced this in early pregnancy? It is not the same feeling I got with my last two pregnancies but I'm just curious. Praying that I get to meet this baby in 9 months 🙏🏻🙏🏻🙏🏻