Hi mama! First po, if you haven't seen your OB about this, please schedule a visit asap, gestational diabetes needs proper monitoring from your doctor para safe kayo both.
A few of us mums have dealt with this, and honestly, the best approach is always working closely with your OB or a nutritionist kaya they can guide you properly based sa your situation. I know it's scary, pero your doctor will have the right plan para sa inyo. Sending you strength!