What are indications for oral glucose tolerance testing (GTT)?

Updated: May 10, 2021
  • Author: Jiun-Lih Jerry Lin, MBBS, MS(Orth); Chief Editor: Eric B Staros, MD  more...
  • Print
Answer

Answer

Indications for oral GTT include the following:

  • Equivocal fasting plasma/random plasma glucose results

  • To screen for gestational diabetes mellitus at 24–28 weeks of gestation in all pregnant women not known to have diabetes

  • To screen for diabetes mellitus at 6–12 weeks postpartum in women with a history of gestational diabetes mellitus, using nonpregnant oral GTT criteria

  • To screen for impaired glucose tolerance, which is associated with an increased risk of developing diabetes mellitus. [2, 3]


Did this answer your question?
Additional feedback? (Optional)
Thank you for your feedback!