Uy, totally normal yan sa stage mo na! Maraming mums sa circle ko nag-experience ng ganyan around 35 weeks, parang may heaviness or pressure especially pag gabi or pagod na. Pero since you're FTM at gusto mo sigurado, best to mention it to your OB sa next check-up para peace of mind mo, lalo na kung tumataas or may iba pang signs. Most likely normal lang sya (baby's getting lower na at preparing), pero doctor lang talaga ang makakaconfirm sa inyo. Hang in there, mama, almost there na!