BH already?

I know it sounds crazy but hear me out. I think I had a couple BH contractions today ?? I know they start at 7 weeks but can’t usually be felt until the second trimester. I’m 8 weeks and I felt and saw it happen. My uterus is smaller than I’ve ever seen it contract before (like a little oval instead of half my stomach) but I could see it and it was rock hard. I couldn’t see it anymore once it softened. It only happened probably 3 times. My last two pregnancies, my pre weight was 100 pounds even. This time my pre pregnancy weight was 85 pounds. So is that why it’s happening so much earlier than in the past?

I don’t *think* I saw it. I know i did