title: Thirteen -weeks ovarian pregnancy following in vitro fertilization for primary infertility treatment: A case report.
abstract: BACKGROUND
  Ovarian pregnancy constitutes 0.15-3% of all ectopic pregnancies. The incidence of ectopic pregnancy is on the rise owing to evolution in assisted reproductive techniques (ART). The incidence reported following In vitro fertilization (IVF) or embryo transfer (ET) is 0.27% per clinical pregnancy.
  
  
  METHODS
  We present a case of a 13-weeks ovarian pregnancy following IVF-ET and through a review of the literature, the specific symptomatology, diagnostic criteria, and treatment of this particular pathology will be described.
  
  
  CONCLUSIONS
  Ovarian pregnancy is a rare condition and its diagnosis is difficult and relies on criteria based on intraoperative and histopathological findings. The management is, in spite of medical improvement, based on surgery. But the trend has shifted towards conservative surgeries in majority of cases.
authors.affiliation: Department of Obstetrics and Gynecology, Imam Hussein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Tahereh
authors.initials: T
authors.lastname: Ashrafganjoei
authors.affiliation: Department of Surgery, Imam Hussein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Behzad
authors.initials: B
authors.lastname: Nemati Honar
authors.affiliation: Department of Obstetrics and Gynecology, Imam Hussein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
authors.forename: Sara
authors.initials: S
authors.lastname: Defaee
keywords: Ectopic pregnancy; In vitro fertilization; Ovarian pregnancy