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
In brow presentation, presenting diameter  is/are: 
Select and explain. 
A. Submentovertical, B. Occipitofrontal, C. Mentovertical, D. Suboccipitobregmatic
C: Mentovertical
Answer: C: Mentovertical 
Explanation: None