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
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 : 
Select and explain. 
A. Increased food intake, B. Decreased activity, C. Decrease in plasma chorionic somatomammotropin, D. All
C: Decrease in plasma chorionic somatomammotropin
Answer: C: Decrease in plasma chorionic somatomammotropin 
Explanation: Decrease in plasma chorionic somatomammotropin