Heterotopic pregnancy is defined by the coexistence of an intrauterine and an ectopic pregnancy, regardless of its location. Its occurrence in a spontaneous cycle is rare. It is a form of the bi-ovular dizygote twin pregnancy, . It is a serious and rare pathology that can sometimes involve maternal vital prognosis. We report the case of a patient who was treated for a heterotopic pregnancy at the Department of Gynecology-Obstetrics I, Hassan II University Hospital of Fez. We reported these clinical and ultrasound data as well as the therapeutic management. Metrorrhagia was the main reason for consultation associated with pelvic pain. The diagnosis of heterotopic pregnancy was strongly suspected on ultrasound. The treatment carried out was a radical treatment (salpingectomy) by a mini-laparotomy with an aspirativecurtage for the GIU.

Keywords : Spontaneous Heterotopic Pregnancy, Ectopic Pregnancy, Vital Pronostic.