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: Orthopaedics
Management of posteromedial bowing of tibia in a 6 months old boy 
Select and explain. 
A. Osteotomy, B. Cast with ponsetti method, C. ORIF, D. Observation
D: Observation
Answer: D: Observation 
Explanation: None