The dilation stage is the:

[Answer to ques. #1]  B
Explanation: A) The fourth stage of pregnancy is the postpartum period.
B) Correct.
C) The second stage of labor and delivery is expulsion or birth.
D) The third stage of labor and delivery is delivery of the placenta.

[Answer to ques. #2]  D
Explanation: A) Mittelschmerz is the abdominal pain between periods, at ovulation.
B) Normal bleeding is menstruation.
C) Amenorrhea or menopause is stoppage of menstrual periods.
D) Correct.

[Answer to ques. #3]  A
Explanation: A) Correct.
B) Mastectomy is removal of the breast.
C) Lumpectomy is removal of only the tumor in the breast.
D) Mammopexy is fixation of the breast.

[Answer to ques. #4]  D
Explanation: A) Laser ablation uses a laser to destroy the uterine lining.
B) A visual examination of the abdominal cavity with a lighted instrument is a laparoscopy.
C) A lumpectomy is the surgical removal of a tumor from the breast.
D) Correct.

[Answer to ques. #5]  B
Explanation: A) Anteflexion is the normal position of the uterus.
B) Correct.
C) Retroversion is an abnormal position of the uterus in which the uterus is turned backward.
D) Anteversion is an abnormal position of the uterus in which the fundus is turned forward.

[Answer to ques. #6]  C
Explanation: A) Hymenotomy is an incision into a layer of tissue over the vaginal opening.
B) Hysterectomy is removal of the uterus.
C) Correct.
D) Hysteroscopy is a visual exam of the inside of the uterus.

Great answers! <3