Implantation cramping vs. Period cramping

I usually feel like I understand my body and my cycle pretty well, but right now I’m super confused.

My cycles are consistently 29 days. The last day of my cycle is usually accompanied by spotting and cramping followed by my period within 24 hours. This cycle, I’ve been experiencing moderate cramping cycle days 22-25 with no spotting. I’m 10 dpo today (I track with opks and temping) and feel like I’m on the verge of getting my period but it’s 5 days early. I have never been pregnant before so I have nothing to compare it to.

For those of you who experienced implantation/early pregnancy cramping, how similar did it feel to period cramps?

I’m probably grasping at straws here, but I’ll take whatever hope I can get!