Implantation cramping ever feel like sharp pinching?

Gcd 👩👱‍♂️ • Ttc with my boyfriend
I felt two sharp pinches at work today that almost took my breath away. This is my 22nd month ttc, and I decided to do something different this month. I took 3 birth control pills, and then suddenly stopped. That's how I got pregnant 8 years ago. The only problem is that this time I bled heavily a few days later. I thought that I was still on the old cycle, the normal cycle, which started February 27th, but I actually think I'm now on a new cycle, which would make me around 9dpo. I stopped testing for ovulation.

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