CD 23 left pelvic cramps on and off

Hello! I have an regular 28 day cycle. Today is cycle day 23 and I’ve been having some sharp cramps that last a quick second. I felt it 4 times today but hours apart...Im 8 dpo and want to know if you’ve ever experienced this and if so what was it? This is our second month ttc and will be our third baby IF pregnant but I never experienced this with none of my previous pregnancies.