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

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.