Implantation question

So I have 6 kids 2 csection and I had what I believe was implantation cramping last 3 days and my uterus hurts along my csection cut. Not my stomach I don't have any scar visible from prior csections but when I was healing from them my uterus hurts like it did when it was shrinking during breastfeeding. Just wanted to see if anyone else has had this. I got lucky and don't have scars praying I don't with this baby if it's there 13dpo vvf positive test.

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