1. Chapter 10 Knowledge Assignment 10A By: Antonee Weinbrecht

2. Gynecologist A physician who specializes in the treatment of women.

3. Gestation The time required for the development of the fetus is called gestation. Generally lasts up to 40 weeks.

4. Stages of labor and delivery There are three stages of labor and delivery. Dilation stage Expulsion stage Placental stage

5. Dilation Stage The first stage of labor and delivery. The uterine muscles contract strongly to expel the fetus.

6. Expulsion Stage Second stage of delivery. Begins when cervix is completely dilated to 10 centimeters. Usually crowning occurs, when baby comes out head first. Sometimes butt comes first, called breech presentation.

7. Placental Stage Final stage of delivery. After childbirth the uterus continues to contract and expels the placenta through the vagina.

8. The End