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
A 11 year old 70kg child presents with limitation of abduction and internal rotation. Tenderness in scarpas triangle. On flexing hip, limb is abducted. Diagnosis is 
Select and explain. 
A. TB Hip, B. Fracture neck of femur, C. Slipped capital femoral epiphysis, D. Synovitis Hip
C: Slipped capital femoral epiphysis
Answer: C: Slipped capital femoral epiphysis 
Explanation: None