This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
What are the cut-off values in 2 hours oral glucose tolerance test for fasting and at 1 hour and 2 hours after meals respectively? 
Select and explain. 
A. 92, 182, 155, B. 92, 180, 153, C. 95, 180, 155, D. 92, 180, 155
B: 92, 180, 153
Answer: B: 92, 180, 153 
Explanation: Ans: B. 92, 180, 153(Ref Williams 24/e p1137)Cut-off values in 2 hours oral glucose tolerance test for fasting and at 1 hour & 2 hours after meals respectively.Diagnosis of Gestational Diabetes by Oral Glucose Tolerance TestingTime 75-gm GlucoseFasting92 mg/dL5.1 mmol/L1-hour180 mg/dL10.0 mmol/L2-hours153 mg/dL8.5 mmol/L