Ovulation?

Chels 🌸💜 • TTC baby #1 👶🏻 month 10, cycle 5- 04/18

I'm on what's supposed to be the 4th day of my fertile window. I've been taking OPK's the last few days, all negative. Today I had really bad cramping, bloating, hot flashes, and pain in my right side (on pelvis). I haven't noticed any CM.. are my tests dodgy? Is this a sign I ovulated?

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