Oo, very normal yan sa pregnancy, lalo na around 26 weeks when baby's getting heavier na! A few of us mums experienced the same, at honestly it's usually just ligament stretching and the extra weight you're carrying. That said, pag sobrang sakit na or may ibang symptoms like bleeding or cramping, best to mention it sa OB mo during your next visit para ma-check lang and ma-ease your mind, walang masama sa pag-ask, yan ang purpose nila anyway! Try mo rin mag-rest, prenatal pillow, at warm compress, nakatulong sa amin yan.