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Case Reports in Obstetrics and Gynecology
Volume 2011, Article ID 235873, 3 pages
Case Report

Conjoined Twins in a Triplet Pregnancy: A Case Report

Department of Obstetrics & Gynaecology, Kingston General Hospital, Queen's University, Victory 4, 76 Stuart Street, Kingston, ON, Canada K7L 2V7

Received 5 May 2011; Accepted 6 July 2011

Academic Editors: B. A. Gbolade, A. Ohkuchi, B. Piura, E. Shalev, and I. M. Usta

Copyright © 2011 Lynn J. Shepherd and Graeme N. Smith. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Background. Conjoined twins are a rare complication of monozygotic twinning and are associated with high perinatal mortality. Case. Here we present a case of conjoined twins in a triplet pregnancy diagnosed at 13 of weeks gestation. With the aid of 3D ultrasound and MRI images, the parents were counseled regarding the management options, including continuation of pregnancy, termination of pregnancy, or selective fetocide. They chose selective fetocide of the conjoined twins and went on to deliver the remaining triplet at term. Conclusion. This case represents to our knowledge the only MRI images of conjoined twins in a triplet pregnancy and demonstrates how 3D imaging can be used to better counsel patients about management options.