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Obstetrics and Gynecology International
Volume 2009, Article ID 498530, 3 pages
Case Report

Fetal Heart Rate Patterns in Monochorionic Twins Following Acute Twin-Twin Transfusion

Department of Obstetrics and Gynecology, Japanese Red Cross Katsushika Maternity Hospital, 5-11-12 Tateishi, Katsushika-ku, Tokyo 124-0012, Japan

Received 30 November 2008; Revised 5 January 2009; Accepted 2 February 2009

Academic Editor: Edmund F. Funai

Copyright © 2009 Shunji Suzuki et al. 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. We present here 2 cases of acute twin-twin transfusion occurred during vaginal labor in monochorionic-diamniotic twin pregnancies. Case. Fetal heart rate tracings showed tachycardia in the donor twin in the first case, while they showed reassuring patterns in both twins in the second case. Conclusion. These differences in changes of fetal heart rate in the donor twins following acute twin-twin transfusion may be resulted from the differences in amount of transfusion and elapsed time.