Cramping?! 😳

Kristen • Hubby & I have been together 10 years, married 11/8/14. Angel Baby - 10/22/15. Rainbow Baby Girl, Maggie, born 10-18-16!
We are TTC Baby #1, I am 6 DPO, in my TWW & AF is due 3/29. I'm having cramps, haven't had them like this during my other cycles of trying....Good sign? Bad sign? 😕😬😳