This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abnormal labor, Subject name: Anatomy
Face to pubis delivery occurs in which position? 
Select and explain. 
A. Occipito sacral, B. Mentoanterior, C. Mentoposterior, D. Brow presentation
A: Occipito sacral
Answer: A: Occipito sacral 
Explanation: Face to pubis delivery is done in occipito posterior position head rotates posteriorly and becomes direct occipito posterior position