Honestly, fiber supplements during pregnancy can be tricky kasi it depends on the ingredients and how your body reacts, so better to check with your OB muna before taking Kirkland Optifiber, a few of us pregnant moms prefer asking our doctors first para sure, especially with constipation na common during pregnancy. Your doctor might suggest safer alternatives like increasing water intake, eating more fruits, or recommending specific prenatal-safe options na proven safe para sa buntis. Constipation during pregnancy is super common, so don't worry, your OB will definitely have better solutions for you!