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Discordant Twin: Marked Vascular Communication Between Separated Dichorionic Diamniotic Placentas

Published online by Cambridge University Press:  21 February 2012

Saeko Hagihara ,
Shigeki Matsubara ,
Tomoyuki Kuwata ,
Yosuke Baba ,
Kazuhiko Shimada ,
Hiroko Yamanaka ,
Takashi Watanabe  and
Mitsuaki Suzuki
Saeko Hagihara
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan.
Shigeki Matsubara*
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan. matsushi@jichi.ac.jp
Tomoyuki Kuwata
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan.
Yosuke Baba
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan.
Kazuhiko Shimada
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan.
Hiroko Yamanaka
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan.
Takashi Watanabe
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan.
Mitsuaki Suzuki
Affiliation:
Department of Obstetrics and Gynecology, Jichi Medical School,Tochigi, Japan.
*
*Address for correspondence: Shigeki Matsubara, Department of Obstetrics and Gynecology, Jichi Medical School, 3311-1, Minamikawachi-machi, Kawachi-gun, 329-0498 Tochigi, Japan.

Abstract

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We report on a woman who gave birth to dichorionic diamniotic twins with a birthweight discordancy of 30%. Her placenta exhibited characteristic features. The placental villous tissues were completely separated, but there was marked vascular communication between the two placentas. The lighter twin received less blood than the heavier twin via these vascular communications. Although the details are unknown, this abnormal placental structure may have caused the weight discordancy in this case. Clinicians must pay attention to placental vascular communication as one possible cause of twin discordancy in not only monochorionic but also dichorionic twins.

Type
Articles
Information
Twin Research and Human Genetics , Volume 6 , Issue 4 , 01 August 2003 , pp. 267 - 269
Copyright
Copyright © Cambridge University Press 2003