Related Experiment Video
Updated: Jul 29, 2026

Characterization of Metabolic Status in Nonhuman Primates with the Intravenous Glucose Tolerance Test
Published on: November 13, 2016
An audit of oral glucose tolerance test requests
1Sugerman's Pathology, Hurstville, NSW.
Abstract:
Requests for 1862 randomly selected oral glucose tolerance tests (OGTT) were reviewed in a general pathology practice. In non-pregnant patients, only 76% of OGTT requests were for the standard 2-hour OGTT. In pregnant patients, 21% of referrals were for the standard 2-hour OGTT, 75% were for a 1-hour screening test following a 50-g oral glucose load, 1% were for a 3-hour OGTT following a 100-g oral glucose load, and 3% were for other variants. Of 922 standardized 2-hour OGTTs performed, 70% may not have been medically necessary and a further 10% resulted in an uninterpretable outcome. Considerable misunderstanding appears to remain within the medical community as to when an OGTT is indicated. There also appears to be little standardization on the tests performed for the detection and diagnosis of gestational diabetes.
More Related Videos
08:01A Method for Manipulating Blood Glucose and Measuring Resulting Changes in Cognitive Accessibility of Target Stimuli
Published on: August 12, 2016
08:13Study of In Vivo Glucose Metabolism in High-fat Diet-fed Mice Using Oral Glucose Tolerance Test (OGTT) and Insulin Tolerance Test (ITT)
Published on: January 7, 2018
Related Concept Videos
Oral Hypoglycemic Agents: Biguanides and Glitazones
Oral Hypoglycemic Agents: Glinides
Oral Hypoglycemic Agents: α-Glucosidase Inhibitors
Acarbose and miglitol are typically...
Hypoglycemia and Glucagon
Type II Diabetes Mellitus III: Clinical Manifestations and Diagnosis
Hyperglycemia