here po. baka makatulong. if you have other questions, you can also search sa tAp app. madami nang articles na nasulat about pregnancy here.
Try the tips here sa article po https://ph.theasianparent.com/pananakit-ng-balakang-ng-buntis/?utm_source=search&utm_medium=app
https://ph.theasianparent.com/pananakit-ng-balakang-ng-buntis