Alaaa sabar ye mak, mungkin baby position berubah pastu ligament stretch sikit, memang rasa mcm sakit senyap² je, especially bila dia gerak aktif. A few of my preggy friends cerita benda sama, terutama after they walk around or buat aktiviti heavy, so it's quite normal at 5 months! Tapi kalau sakit terus-menerus or teruk sangat, better check with your doc je to make sure everything okay. Drink plenty of water, rest when you can, and jangan stress, baby's growing beautifully!