4pt CBG Monitoring

Hello po. Sino po dito pinag 4 point CBG monitoring? Pano po ba yun? Ganito po kasi ginagawa ko eh. 1. Fasting/Pre Breakfast 2. 2 hrs post Breakfast 3. 2 hrs post Lunch 4. 2 hrs post Dinner Tama po ba? Salamat po sa sasagot. ?