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When are most pregnant people tested for gestational diabetes?

Between 24 and 28 weeks of pregnancy.

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  1. In the first week
  2. Between 24 and 28 weeks ✔
  3. Only after the baby is born

Why: Pregnant people without an earlier diabetes diagnosis are tested between 24 and 28 weeks. Most people with gestational diabetes have no symptoms, so the test is how it gets found.

Huh, didn't know that: After gestational diabetes, a follow-up test for type 2 is usually done within 12 weeks after delivery.

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References

Answer: Between 24 and 28 weeks. Pregnant people without an earlier diabetes diagnosis are tested between 24 and 28 weeks. Most people with gestational diabetes have no symptoms, so the test is how it gets found.

  1. NIDDK, Diabetes Tests and Diagnosis www.niddk.nih.gov/health-information/diabetes/overview/tests-diagnosis
    All pregnant women who do not have a previous diagnosis of diabetes should be tested for gestational diabetes between 24 and 28 weeks of pregnancy.
    Checked 2026-10-09.

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