How is type 1 diabetes mellitus (DM) diagnosed?

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

Answer

Patients with type 1 diabetes are typically diagnosed during an episode of hyperglycemia, ketosis, and dehydration; this occurs most commonly in childhood or adolescence, before pregnancy. Type 1 diabetes is rarely diagnosed during pregnancy; in these cases, patients most often present with unexpected coma, because early pregnancy may provoke diet and glycemic control instability in patients with occult diabetes. A pregnancy test should be ordered in all reproductive-aged women admitted to the hospital for blood sugar management.


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