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: Gynaecology & Obstetrics
The distance from the upper end of sacrum to lower border of pubis corresponds to: March 2009 
Select and explain. 
A. Transverse conjugate, B. True conjugate, C. Diagonal conjugate, D. Obstetric conjugate
C: Diagonal conjugate
Answer: C: Diagonal conjugate 
Explanation: Ans. C: Diagonal conjugate