Weird ovulation cramps.?

Hello everyone, I’m new here & just wanted to see if anyone else has experienced something similar to this. I’m in my fertile window and about 2 days away from ovulation. Last night at some point in the middle of the night I had the worst cramps I have ever experienced. It genuinely felt like really harsh period cramps, lasting about 10-15 minutes (I have PCOS and usually the first day of my period I’m stuck in bed all day due to cramps) but again, I’m not supposed to be starting anytime soon. The cramps weren’t one sided, It was around my entire uterus (at least that’s the best way I can pin point about where the pain was) my partner and I are trying for a baby & there’s that small part of me that is questioning if it’s implantation or something like that. Has anyone experienced something similar to this.? If so do you know what it could be.?