Cramping since 3 dpo??

Megan • Crohn’s Fighter🥊MC Angel Baby #1: 4/15/19😇Fur mama🐶🐶Girl Mama of 1🎀

I’ve been cramping off and on since 3 dpo and I’m currently 7 dpo now. Testing negative thus far but has anyone had positive experience with this? I don’t remember these cramps coming this early the first time around!