CHAPTER 19: Ectopic Pregnancy

Ectopic Pregnancy

What percentage of first-trimester pregnancies in the United States are ectopically located?

a. 0.1–0.5%

b. 0.2–1.0%

c. 0.5–1.5%

d. 1.0–2.0%

c Introduction

A 25-year-old nulligravida with Rh-negative blood type and a negative antibody screen is postoperative day 1 following salpingectomy for a 6-week ectopic pregnancy. What dose of IgG anti-D immunoglobulin is deemed sufficient prior to discharge?

a. 50 µg

b. 100 µg

c. 200 µg

d. 300 µg

a Classification

Among women who become pregnant while using contraception, the relative number of ectopic pregnancies is increased with which of the following contraceptives?

a. Condoms

b. NuvaRing

c. Progestin-releasing intrauterine device

d. Estrogen-containing birth control pills

c Risks

A 31-year-old G2P1 presents to the emergency room at 7 weeks by last menstrual period with pelvic pain. Her β-hCG level is 1234 mIU/mL, but no ultrasound is performed. When she returns to her obstetrician’s office for follow-up 3 days later, her β-hCG is 1166 mIU/mL and ultrasound demonstrates a 5-cm complex left adnexal mass. A diagnostic laparoscopy is performed, and the surgical findings are shown in the image. What is the most likely diagnosis?

Used with permission from Dr. Eddie McCord.