Uy, normal yan mama! Sa ganitong advanced stage, ang baby ay mas mabigat na at mas malakas ang movements, kaya talagang masakit ang pelvic area at parang may pressure ka palagi, lalo na pag gumagalaw siya or pag tumaas ka. A few of us moms noticed na yung pain na parang kumikirot at parang need mo umiihi ay sign na malapit na talaga, especially since tumaas ka na from 37 weeks. But honestly, since you're already this far along, best check with your OB just to make sure everything is progressing normally and na hindi na may other concerns, kahit quick message lang or next checkup mo, para peace of mind mo lang! Pang-handa ka na rin sa labor symptoms, sis!