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
[{'content': 'Regarding insulin management during labor all are true except \nSelect and explain. \nA. Usual dose of intermediate - acting insulin is given at bedtime., B. Morning dose of insulin is with held., C. Once labor begins, normal saline infusion is changed to 5 % dextrose., D. Blood glucose level during labor should be maintained above 140mg / dL.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Blood glucose level during labor should be approximately 100mg / dL.', 'role': 'assistant'}]