Intrauterine devices (IUDs), a form of long-acting reversible fertility control, are often preferred for preventing pregnancy. The Lippes loops, made of plastic, are inserted into the uterus via the cervix, fitting into the uterine cavity. The non-medicated (inert) structure of the loop allows for long-term IUD use. Uterine perforation and translocation of the IUD are the most threatening complications. In this case report, we present an asymptomatic 79-year-old woman with a forgotten IUD that migrated into the abdominal cavity and was discovered during her follow-up for lung cancer.

Keywords: Lippes loop, Intrauterine devices, Intrauterine device migration

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Buz Yaşar A, Dağıstan E, Aktepe OH. Incidentally discovered extrauterine migration of a Lippes loop: should we let it stay?. Northwestern Med J. 2024;4(1):53-5. https://doi.org/10.54307/2024.NWMJ.89


  1. Intrauterine device (IUD). Available at: https://www.nhs.uk/conditions/contraception/iud-coil/
  2. Sinha M, Rani R, Gupta R, Chand K, Kaur G. Lippes Loop Inserted 45 Years Back: The Di-lemma to Remove It or Leave It in situ. A Case Report with Review of Literature. J Clin Diagn Res. 2015; 9(4): QE01-5. https://doi.org/10.7860/JCDR/2015/12981.5832
  3. Aniulienė R, Aniulis P. Lippes Loop intrauterine device left in the uterus for 50 years: case report. BMC Womens Health. 2014; 14: 97. https://doi.org/10.1186/1472-6874-14-97
  4. Bharathi RS, Chakladar A, Kumari P. Mystery of the missing loop. Med J Armed Forces India. 2011; 67(2): 177-8. https://doi.org/10.1016/S0377-1237(11)60029-4
  5. Krasniqi S, Ahmeti E, Hoxha SA, et al. Simultaneous laparoscopic cholecystectomy and re-moval of an intrauterine device translocated to the right subdiaphragmal region: a case re-port. Cases J. 2009; 2: 6198. https://doi.org/10.4076/1757-1626-2-6198
  6. Ratnam SS, Yin JC. Translocation of Lippes loop (the missing loop). Br Med J. 1968; 1(5592): 612-4. https://doi.org/10.1136/bmj.1.5592.612
  7. Friedman J, Oluronbi RA. Types of IUDs and Mechanism of Action. In: Coles M, Mays A. editors. Optimizing IUD Delivery for Adolescents and Young Adults. Springer, Cham; 2019: 29-39. https://doi.org/10.1007/978-3-030-17816-1_3
  8. Ortiz ME, Croxatto HB, Bardin CW. Mechanisms of action of intrauterine devices. Obstet Gynecol Surv. 1996; 51(12 Suppl): S42-51. https://doi.org/10.1097/00006254-199612000-00014
  9. Nagel TC. Intrauterine contraceptive devices. Complications associated with their use. Post-grad Med. 1983; 73(3): 155-64. https://doi.org/10.1080/00325481.1983.11697801