Diabetes, Fetal Demise, and Shoulder Dystocia: The Importance of Glucose Screening to Prevent Catastrophic Obstetric Outcomes

Table 1

Assessment of glycemic control in Case 2.

Weeks gestation	Test	Value	Normal range
9	Hemoglobin A1c	5.0%	<5.7%
	50 g 1-hour GTT	160 mg/dL	<140 mg/dL
	100 g 3-hour GTT	86 mg/dL fasting	<95 mg/dL
		184 mg/dL at 1 hour	<180 mg/dL
		147 mg/dL at 2 hours	<155 mg/dL
		135 mg/dL at 3 hours	<140 mg/dL
36	100 g 3-hour GTT	89 mg/dL fasting	<95 mg/dL
		216 mg/dL at 1 hour	<180 mg/dL
		153 mg/dL at 2 hours	<155 mg/dL
		101 mg/dL at 3 hours	<140 mg/dL
37	Hemoglobin A1c	6.6%	<5.7%

GTT: glucose tolerance test.