This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nose and paranasal sinuses, Subject name: ENT
Which of the following surgery is contraindicated below 12 years of age 
Select and explain. 
A. SMR, B. Septoplasty, C. Antral puncture, D. Rhinoplasty
A: SMR
Answer: A: SMR 
Explanation: Submucous Resection Contraindications:- * Patients below 17 years of age (in such cases conservative surgery i.e. septoplasty should be done) * Acute episodes of respiratory infection * Bleeding diathesis * Untreated diabetes or hypeension Ref:- Dhingra 5th edition; pg num:- 423