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Published online: 2024-05-14

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Interstitial heterotopic pregnancy after bilateral total salpingectomy in IVF patients: a case report and literature review

Inshirah Sgayer12, Avishalom Sharon12, Maya Wolf12, Lior Lowenstein12, Marwan Odeh12

Abstract

Objectives: Heterotopic pregnancy of an intrauterine pregnancy and an interstitial or stump pregnancy after bilateral salpingectomy is a rare complication of in vitro fertilization (IVF) that can lead to severe hemorrhage; prompt identification and management are important.

The aim of this paper was to present a case report and an updated literature review of women who had had combined interstitial/stump and intrauterine pregnancies during an in an IVF cycle after total bilateral salpingectomy.

Material and methods: We conducted a search in PubMed for reported heterotopic pregnancy, of a combined intrauterine pregnancy with an interstitial or stump pregnancy, in women who underwent IVF after bilateral salpingectomy.

Results: Our search yielded 13 heterotopic pregnancies in women who underwent IVF after bilateral salpingectomy. Forty-six percent of the women had more than two embryos transferred, and all the women had a history of ectopic pregnancies or tubal infertility. Most of the women presented at 6–7 weeks of pregnancy with vaginal bleeding and/or abdominal pain. A ruptured ectopic pregnancy was presented in 42%. Ultrasound was the main diagnostic tool in most cases. Only two women had been medically treated with local KCL or methotrexate, while 83% underwent surgical treatment. Five women had uncomplicated cesarean sections near or at term.

Conclusions: Women with bilateral total salpingectomy remain at risk of heterotopic pregnancy, which poses a diagnostic and treatment challenge. This risk may be reduced by the reduction in the number of transferred embryos in IVF. For those who wish to preserve intrauterine pregnancy, cornual resection can be performed with good prognosis.

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