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: Pediatrics
Fetal growth is maximally affected by – 
Select and explain. 
A. Insulin, B. Growth hormone, C. Cortisol, D. Thyroxine
A: Insulin
Answer: A: Insulin 
Explanation: Insulin and insulin like growth factor stimulate fetal growth.
Thyroxine has no effect on linear growth but it has effect on skeletal maturation.
Fetal or maternal GH is not essential for fetal growth in utero.