AbstractBackground: Rudimentary horn pregnancy carries grave consequences for the mother. Though sonography and magnetic resonance imaging can clinch the diagnosis in early stages, majority of the cases are diagnosed only after rupture of rudimentary horn with intraperitoneal hemorrhage. Case: A 27 years old gravid 3 para 1 abortion 1 presented at 8 weeks of pregnancy with pain abdomen. Per vaginal examination and sonography revealed healthy intrauterine pregnancy. The same lady was referred at 20 weeks pregnancy with the sonographic diagnosis of abdominal pregnancy. Surprisingly, laparotomy revealed right sided rudimentary horn pregnancy with impending rupture. Excision of rudimentary horn alongwith right salpingectomy was done. Conclusion: As rudimentary horn pregnancy is always associated with catastrophic outcome, every effort should be made to diagnose it at an early stage. High index of clinical suspicion and carefully done ultrasonography can make the diagnosis in prerupture stage. Secondly, accurate preoperative diagnosis is must to plan exact surgical management.
Keywords: Rudimentary Horn; Pregnancy.