At 7/8 dpo cramping/ “tightening”

I posted a poll about this yesterday but I think comments would be helpful.

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Yesterday at 7/8 dpo I had kind of weird cramping. Pulling and tightening on and off, mostly dull. This only lasted a few hours then mostly went away.

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Today at 8/9 dpo no cramping but I sometimes notice a fullness in my uterus. I know this could be anything just wondering if anyone has had this experience and turned out to be pregnant.

AF due in 6 days

Also ive been freakin EXHAUSTED for a few days 🥵