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': 'A class C diabetic patient delivers at term, it is impoant to check her blood sugar levels immediately postpaum, since there may be a decrease in the insulin requirements of diabetic patients. This can be paly explained by : \nSelect and explain. \nA. Increased food intake, B. Decreased activity, C. Decrease in plasma chorionic somatomammotropin, D. All', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Decrease in plasma chorionic somatomammotropin', 'role': 'assistant'}]