Ah, yan siguro yung round ligament pain, nakita ko na yan sa maraming preggy friends ko, super common sa second trimester when the baby's getting heavier na! But since masakit talaga pag raising your leg, better to check with your OB para sure lang at ma-rule out kung may iba pang nangyayari, lalo na parang specific ang pain mo sa right side. Let me know what your doctor says po, pero most likely kailangan mo lang rest, warm compress, at maybe pregnancy pillows para support ang tyan mo when you sleep or sit.