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
Most common cause of Congenital hypothyroidism is 
Select and explain. 
A. Thyroid agenesis, B. Thyroid dysharmonogenesis, C. Thyroid dysgensis, D. Iodine deficiency
C: Thyroid dysgensis
Answer: C: Thyroid dysgensis 
Explanation: Most common cause of congenital hypothyroidism is thyroid dygenesis > thyroid dysharmonogenesis.