OGT Gestational Diabetes and Pregnancy Testing

Question 1

Which glucose load is used in the standard diagnostic OGTT for gestational diabetes in the United States?

Accepted Answer

100 g

Answer

50 g

Answer

75 g

Answer

150 g

Question 2

What is the recommended screening week range for gestational diabetes testing in pregnant women without prior risk factors?

Accepted Answer

24–28 weeks

Answer

8–10 weeks

Answer

12–14 weeks

Answer

32–34 weeks

Question 3

Which of the following is a risk factor that may prompt earlier GDM screening before 24 weeks?

Accepted Answer

Previous GDM in a prior pregnancy

Answer

Age under 20

Answer

First pregnancy

Answer

Low pre-pregnancy BMI

Question 4

What fasting glucose threshold (Carpenter-Coustan criteria) identifies gestational diabetes on a 100 g OGTT?

Accepted Answer

≥95 mg/dL

Answer

≥90 mg/dL

Answer

≥105 mg/dL

Answer

≥126 mg/dL

Question 5

How many abnormal values on the 100 g 3-hour OGTT are required to diagnose gestational diabetes (Carpenter-Coustan)?

Accepted Answer

Two

Answer

One

Answer

Three

Answer

Four

Question 6

What is the 1-hour glucose threshold in the 50 g glucose challenge test (GCT) that typically triggers a diagnostic OGTT?

Accepted Answer

130–140 mg/dL

Answer

120 mg/dL

Answer

160 mg/dL

Answer

180 mg/dL