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
In which fetal presentation vaginal delivery can be expected? 
Select and explain. 
A. Face presentation when the chin lies direct to the sacrum, B. Brow presentation, C. Shoulder presentation, D. Face presentation when the chin lies under the symphsis pubis
D: Face presentation when the chin lies under the symphsis pubis
Answer: D: Face presentation when the chin lies under the symphsis pubis 
Explanation: Vaginal delivery is not possible in Brow presentation Shoulder presentation Mentoposterior presentation of face