Which lab studies are indicated during the first-trimester of postdiagnostic testing for gestational diabetes mellitus (GDM)?

Updated: Apr 29, 2020
  • Author: Thomas R Moore, MD; Chief Editor: George T Griffing, MD  more...
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First-trimester laboratory studies

  • HbA1C

  • Blood urea nitrogen (BUN)

  • Serum creatinine

  • Thyroid-stimulating hormone

  • Free thyroxine levels

  • Spot urine protein-to-creatinine ratio

  • Capillary blood sugar levels

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