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
Face to pubes delivery is possible with which cephalic presentation: 
Select and explain. 
A. Mento-anterior, B. Mento-posterior, C. Occipito sacral, D. Brow presentation
C: Occipito sacral
Answer: C: Occipito sacral 
Explanation: Occipito sacral