Alam ko yan, sobrang common yan sa pregnancy especially around your weeks! Sa amin, ilang mommy friends ko nag-complain din ng same pain, usually dahil sa weight ng baby at how the organs are shifting na. Try sleeping on your right side instead, or use a pregnancy pillow to support your left side, marami sa amin ang nahanap ng relief dyan. But since it's bothering you, mas okay kung i-check mo with your OB para sure lang na normal lang siya at walang ibang cause, especially pag persistent. Galingan mo lang at wag mag-alala too much, pero don't hesitate mag-message sa doctor mo if it gets worse!