Ai, memang common lah dekat trimester ketiga, baby dah besar kan, pressure kat abdomen jadi lain-lain, plus hormone progesterone pun boleh affect movement dalam perut. Tapi kalau suddenly jadi macam ni dengan drastis, baik la check dengan doc to make sure everything OK, sebab sometimes frequent bowel movement boleh jadi sign of something else jugak. A few of my mum friends experienced this juga dekat end of pregnancy, and their doctors said it's normal, but better safe than sorry kan!