Objective: To report a case of combined intrauterine and interstitial twin pregnancies after bilateral salpingectomy and IVF with replacement of three embryos.
Design: Case report.
Setting: University hospital.
Patient(s): A 31-year-old woman known to have bilateral salpingectomy for ectopic pregnancies who underwent IVF.
Intervention(s): Laparotomy.
Main outcome measure(s): Postoperation intrauterine monozygotic twins survival and birth.
Result(s): After removing the interstitial monozygotic twin pregnancy, the patient had an uneventful postoperative course and delivered two healthy girls by cesarean section at 38 weeks' gestation.
Conclusion(s): Heterotopic pregnancy can still occur in women treated by IVF after bilateral salpingectomy. The early sonography follow-up of IVF pregnancy would be of value because of the reported higher incidence of pathological pregnancies and especially monozygotic twinning.