Ovulation cramping

Megan • Trying for our third! First baby a miscarriage, chemical then rainbow. Second baby 9 months of trying 4 with clomid. Hoping for a quick easy pregnancy for #3
I have been having cramping the last two days not on one side more like af my cycle is kinda off bc I had a chemical last month but I should be around cd 19-20 I had two dark opk today and yesterday thinking today's was darker. Has anyone else had this? I've never really noticed cramping around o before