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CHAPTER 19: Ectopic Pregnancy

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    Disclaimer: These citations have been automatically generated based on the information we have and it may not be 100% accurate. Please consult the latest official manual style if you have any questions regarding the format accuracy.

    AMA Citation
    Ectopic Pregnancy. In: Patel S, Roberts S, Rogers V, Zink A, Duryea E, Morgan J. Patel S, & Roberts S, & Rogers V, & Zink A, & Duryea E, & Morgan J(Eds.),Eds. Shivani Patel, et al.eds. Williams Obstetrics Study Guide, 25th Edition. McGraw-Hill; Accessed July 04, 2020. https://accessmedicine.mhmedical.com/content.aspx?bookid=2501&sectionid=202902790
    APA Citation
    Ectopic pregnancy. Patel S, Roberts S, Rogers V, Zink A, Duryea E, Morgan J. Patel S, & Roberts S, & Rogers V, & Zink A, & Duryea E, & Morgan J(Eds.),Eds. Shivani Patel, et al. (2019). Williams Obstetrics Study Guide, 25th Edition. McGraw-Hill. https://accessmedicine.mhmedical.com/content.aspx?bookid=2501&sectionid=202902790
    MLA Citation
    "Ectopic Pregnancy." Williams Obstetrics Study Guide, 25th Edition Patel S, Roberts S, Rogers V, Zink A, Duryea E, Morgan J. Patel S, & Roberts S, & Rogers V, & Zink A, & Duryea E, & Morgan J(Eds.),Eds. Shivani Patel, et al. McGraw-Hill, 2019, https://accessmedicine.mhmedical.com/content.aspx?bookid=2501&sectionid=202902790.

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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.

A photo from a diagnostic laparoscopy in a pregnant woman with an ultrasound demonstrating a 5 centimeter complex left adnexal mass.
View Full Size|Favorite Figure|Download Slide (.ppt)
A photo from a diagnostic laparoscopy in a pregnant woman with an ultrasound demonstrating a 5 centimeter complex left adnexal mass.

a. Paratubal cyst

b. Serous cystadenoma

c. “Acute” ectopic pregnancy

d. “Chronic” ectopic pregnancy

d Evolution and Potential Outcomes

In ectopic pregnancies, the absence of which tubal tissue layer facilitates rapid invasion of proliferating trophoblasts into the muscularis?

a. Serosa

b. Epithelium

c. Submucosa

d. Connective tissue

c Evolution and Potential Outcomes

What is the classic triad of clinical symptoms of an ectopic pregnancy?

...

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