The nurse knows that a diagnosis for gestational diabetes can be determined with which lab values?

A 1-hour post-prandial value of 110 mg/dL.

A 3-hour glucose tolerance test fasting value of 80 mg/dL.

A glucose challenge test-fasting value of 100 mg/dL and 2-hour value of 130 mg/dL.

A 3-hour glucose tolerance test-fasting value of 98 mg/dL and 3-hour value of 190 mg/dL. .