Read the case study and answer the questions below in complete sentences.

Case: A physician told a 27-year-old pregnant woman that she is in labor. She has completely dilated to 10 centimeters and is now in the second stage of labor. The physician informed her that the head of the baby appears first, which is referred to as crowning. He also stated that in some cases the baby's buttocks would appear first.
Questions:

1. In what state of delivery is the pregnant woman?
2. How is it called when the appearance of the baby's buttocks comes first? 
3. Describe all the stages of delivery.
4. Briefly list and describe the anatomy of the male and female reproductive system.
5. Compare and contrast a C-section and a normal delivery.