Mama, please see your OB right away or go to emergency if the pain is really bad or you're bleeding, sakit sa tagiliran during pregnancy can be so many things, and kailangan talaga ng doctor to check you properly. Hindi kami pwedeng mag-assume dito, kasi may mga bagay na need ng professional check-up talaga. A few of us mums have had side pains during pregnancy for different reasons, pero ang importante talaga is to get it checked ASAP. Praying it's nothing serious, but don't wait pa, call your OB na. Take care, mama!