Oo normal yan, lalo na sa second half ng pregnancy! Ang baby at placenta ay lumalaki na talaga kaya ang belly mo ay mas sensitive sa movements, at sometimes ang ligaments ay nag stretch pag biglaan ka mag shift ng position. A few of us tried moving slower, like roll to your side first instead of turning sharply, at talagang nag help sa pain, pero if it's really painful or persistent, best to check with your OB just to be safe!