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
True about CDH-a) Usually b/1b) Genu valgumc) Wadding gaitd) Shenton's line brokene)  Spine lordosis present 
Select and explain. 
A. bce, B. abd, C. bcde, D. acde
C: bcde
Answer: C: bcde 
Explanation: CDH is bilateral only in one third of cases.
All other options have been explained.