Final answer:
The presentation during delivery refers to the position and orientation of the baby as it exits the birth canal. Cephalic presentation is the most common and ideal position for vaginal birth.
Step-by-step explanation:
The presentation during delivery refers to the position and orientation of the baby as it exits the birth canal. The options given are:
A. Cephalic: This refers to a head-first presentation, which is the most common and ideal position for vaginal birth.
B. Breech: This refers to a buttocks-first or feet-first presentation, which occurs in fewer than 5% of births and is usually delivered by C-section.
C. Prolapsed cord: This is not a presentation, but rather a complication where the umbilical cord comes out of the uterus before the baby, which requires immediate medical attention.
Based on these explanations, the correct answer is A. Cephalic.