This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Physiology
Intrauterine growth of fetus is affected by 
Select and explain. 
A. Growth hormone, B. Insulin, C. Thyroxine, D. Glucocoicoids
B: Insulin
Answer: B: Insulin 
Explanation: Intrauterine growth of fetus is affected by insulinRef: Ganong&;s review of medical physiology; 24th edition; page no: 431