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: Forensic Medicine
Which one of the following does not stand as identification for male sex ? 
Select and explain. 
A. Oval obturator foramen, B. V - Shaped Subpublic angle, C. Sternal index 54.3, D. Square Chin
C: Sternal index 54.3
Answer: C: Sternal index 54.3 
Explanation: Sternal index - Length of manubrium / Lenth of Body x 100
Male - 46.2
Female - 54.3
Ref - Naryana Reddy,  pg.no - 64