8 dpo left sided cramping

Tiffany🌻 • TTC in our 30's.Married.Christian.G2P1AB1L1.2 fur babies.PCOS.Failed clomid & letrozole cycles.Trying natural supplements.Eating low carb/sugar/dairy/soy/gluten diet & doing HIIT. Lost over 30lbs.
Hey ladies, I was wondering if anyone has ever experienced this or may have any ideas on what this could be. I've been having some left sided cramping only, in my pelvic area since 7 dpo and it is still there this morning, its not excruciating but I can definitely tell it's there, like a dull aching and annoying pain and its intermittent.