Dull pain

Sarah • Mommy to Emmie Lou 💜. Nora Rose 💗. Army wife. Working Mama.
Ever since yesterday I've had this dull constant pain on my left side/hip and my lower back on the left side. I don't think it's the baby because I feel her kicking on my right side. Anyone else experienced something similar? I know pregnancy isn't always comfortable but this isn't going away.