Oo normal talaga, especially as your pregnancy progresses and your body adjusts sa weight, pero at 1 month, it could also be worth mentioning to your OB just to be safe, kasi sometimes it can be something else na kailangan i-check. A few of us moms swear by proper posture, sleeping with a pillow between your knees, at avoiding heavy lifting, pero honestly ang best approach is to ask your doctor what stretches or positions are safe for you ngayon pa lang sa early pregnancy.