Question:medium
Overt gestational diabetes is defined as blood glucose more than _?
Overt gestational diabetes is defined as blood glucose more than _?
Show Hint
Think of the same fasting cut-off used to diagnose diabetes outside pregnancy.
Updated On: Jun 23, 2026
- >200 mg/dl
- >126 mg/dl
- >100 mg/dl
- >180 mg/dl
Show Solution
The Correct Option is B
Solution and Explanation
Step 1: The question separates two grades of glucose intolerance in pregnancy - GDM and overt diabetes - based on the fasting plasma glucose level.
Step 2: A fasting reading between 92 and 125 mg/dl signals GDM, a pregnancy-limited problem of glucose handling.
Step 3: Once the fasting glucose touches or passes the universal diabetes threshold of $126$ mg/dl, the woman is treated as a true diabetic (overt diabetes), implying disease that likely predated the pregnancy.
Step 4: So the defining number for overt gestational diabetes is a fasting value greater than $126$ mg/dl. The distractors of $100$, $180$ and $200$ mg/dl are not the recognised fasting limit.
\[\boxed{\text{>126 mg/dl}}\]
Step 2: A fasting reading between 92 and 125 mg/dl signals GDM, a pregnancy-limited problem of glucose handling.
Step 3: Once the fasting glucose touches or passes the universal diabetes threshold of $126$ mg/dl, the woman is treated as a true diabetic (overt diabetes), implying disease that likely predated the pregnancy.
Step 4: So the defining number for overt gestational diabetes is a fasting value greater than $126$ mg/dl. The distractors of $100$, $180$ and $200$ mg/dl are not the recognised fasting limit.
\[\boxed{\text{>126 mg/dl}}\]
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