MFM-Glucose Challenge, 1 Hour
Green top (lithium or sodium heparin) tube
Timed endpoint reaction using hexokinase
Outpatients must be scheduled in advance. Patients should eat their usual diet for 3-5 days and fast 8 hours prior to testing. Glucose dose will be orally administered and blood will be collected at the 1 hour interval post glucose ingestion.
Criteria for Diagnosis of Gestational Diabetes Mellitus(GDM)
50g, 1HR Glucose Challenge
>130 mg/dl Detects 90% of those who will develop GDM
>140 mg/dl Detects 80% of those who will develop GDM