Friday, May 25, 2012

OGTT

Normal values

75-gram 2 Hour oral glucose tolerance test
  • Fasting    60 -100 mg/dL
  • 1 hr:        less than 200 mg/dL
  • 2 hrs:      less than 140 mg/dL. 
140 - 200 mg/dL = Impaired glucose tolerance
> 200 mg/dL = Diabetes




FOR GESTATIONAL DIABETES,
50-gram 1 hour oral glucose tolerance test
  • 1 hour: < or =140 mg/dL
if >140, do
100-gram 3 hour oral glucose tolerance test
  • Fasting: less than 95 mg/dL
  • 1 hour: less than 180 mg/dL
  • 2 hour: less than 155 mg/dL
  • 3 hour: less than 140 mg/dL
2 or more abnormal values = GDM

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