At 38 weeks, ligament pain and round ligament stretching are super common, lalo na after walking, marami sa amin na moms experienced that sharp or achy feeling on one side, kaya hindi ka nag-iisa dito! That said, since you're already near term and it's consistently happening sa left side, better to mention it sa OB mo sa next check-up or call lang to be safe, especially if it gets worse or may other changes like spotting or contractions na regular. Hoping it's just the usual pregnancy aches, but you know best how your body feels, mama, trust your instincts.