Which tests are performed in the second trimester following a diagnosis of gestational diabetes mellitus (GDM)?

Updated: Apr 29, 2020
  • Author: Thomas R Moore, MD; Chief Editor: George T Griffing, MD  more...
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Answer

Answer

Second-trimester testing for women with diabetes includes a repeat spot urine protein-to-creatinine study in women with elevated value in first trimester, a repeat HbA1C, and capillary blood sugar levels 4-7 times daily.

If preeclampsia is suggested, order the following tests:

  • 24-hour urine collection

  • Blood urea nitrogen and serum creatinine

  • Liver function tests

  • Complete blood cell count

  • Assessment of fetal well-being with nonstress test, amniotic fluid index, fetal growth and Doppler ultrasonographic examination of the umbilical cord and middle cerebral artery


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