OGG Test- Ilang hours po ang fasting dapat? As in bawal po ba nag inom ng water or sip? Salamat po.#

ako naman po ay 10 hrs fasting. kinuhaan dugo at pinainom ng Oral Glucose Tolerance Test Beverage. After 1 hr kinuhaan dugo. (bawal pa rib kumain at uminom) after an hour ulit, kuha dugo dun palang pwde kumain. total fasting ko ay 12 HOURS.