Combined intrauterine and extrauterine gestation. A rare cause of acute abdominal pain.

This is the report of a patient, that had without using any assisted reproduction technology (ART) the rare event of a heterotopic pregnancy. After verifying the intrauterine pregnancy by ultrasound, the ectopic tubal pregnancy (EP) was detected at an emergency abdominal surgery as the cause of an intraabdominal hemorrhage. After removal the further pregnancy was uncomplicated.