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Updated: Jan 27, 2026

Isolation and Characterization of the Murine Uterosacral Ligaments and Pelvic Floor Organs
Published on: March 3, 2023
Management of a Uterosacral Ligament Ectopic Pregnancy With Presence of an Intrauterine Device
Sarah Y Cohen1, Barbara Blachut1
1Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri.
Background:
Ectopic pregnancy outside of the fallopian tubes is rare and increases the risk of severe maternal morbidity. Extratubal pregnancies frequently pose diagnostic challenges. We describe a case of an ectopic pregnancy implanted on the uterosacral ligament.
Case:
A 30-year-old primigravid patient with an intrauterine device (IUD) presented for management of an ectopic pregnancy without a clearly understood implantation site after an unsuccessful laparoscopic salpingo-oophorectomy at another facility. Repeat laparoscopy identified the pregnancy implanted on the left uterosacral ligament. Pathology confirmed pregnancy tissue, and the patient's β-hCG decreased appropriately.
Conclusion:
In the presence of an IUD, serial monitoring is imperative given the high risk of ectopic pregnancy. Ectopic pregnancy management requires careful follow-up of pathology and serial β-hCG. Meticulous intraoperative evaluation can help avoid reoperation.
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