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Publication Date:
July 2011
ISSN:
1619-3997
DOI:
10.1515/jpm.2011.061

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Journal of Perinatal Medicine

Official Journal of the World Association of Perinatal Medicine

Editor-in-Chief: Dudenhausen, Joachim W.

Editorial Board Member: / Bancalari, Eduardo / Greenough, Anne / Genc, Mehmet R. / Chervenak, Frank A. / Aslam, Muhammad / Bergmann, Renate L. / Bernardes, J.F. / Bevilacqua, G. / Blickstein, Isaac / Brezinka, Christoph / Cabero Roura, Luis / Carbonell-Estrany, Xavier / Carrera, Jose M. / D`Addario, Vincenzo / Dimitrou, G. / Foulon, Walter / Grunebaum, G. E. / Harding, Jane / Hentschel, Roland / Kawabata, Ichiro / Keirse, M.J.M.C. / Kurjak M.D., Asim / Levene, Malcolm / Lockwood, Charles J. / Marsal, Karel / Nishida, Hiroshi / Papp, Zoltán / Makatsariya, Alexander / Pejaver, Ranjan Kumar / Pooh, Ritsuko K. / Saugstad, Ola D. / Schenker, Joseph G. / Sen, Cihat / Geijn, Herman P. / Vetter, Klaus / Young, Bruce K. / Zimmermann, Roland / Köpcke, W.

6 Issues per year

IMPACT FACTOR 2011: 1.702
5-year IMPACT FACTOR: 1.779
Rank 36 out of 79 in category Obstretics and Gynecology and 45 out of 113 in category Pediatrics in the 2011 Thomson Reuters Journal Citation Report/Science Edition

VolumeIssuePage

Issues

Contribution of twin-to-twin transfusion syndrome to preterm birth among monochorionic biamniotic and bichorionic biamniotic twin pregnancies

1 / Takashi Yamada1 / Takahiro Yamada1 / Shoji Sato2 / Hisanori Minakami1

1Department of Obstetrics and Gynecology, Hokkaido University Graduate School of Medicine, Sapporo, Japan

2Maternal and Perinatal Care Center, Oita Prefectural Hospital, Bunyo 476, Oita 870-8511, Japan

Corresponding author: Mamoru Morikawa, MD, PhD Department of Obstetrics and Gynecology Hokkaido University School of Medicine Kita-ku N15 W7 Sapporo 060-8638 Japan Tel.: +81-11-706-6051 Fax: +81-11-706-6051

Citation Information: Journal of Perinatal Medicine. Volume 39, Issue 5, Pages 557–561, ISSN (Online) 1619-3997, ISSN (Print) 0300-5577, DOI: 10.1515/jpm.2011.061, July 2011

Publication History:
Received:
2011-01-05
Revised:
2011-03-08
Accepted:
2011-03-15
Published Online:
2011-07-13

Abstract

Aims: To determine the contribution of twin-to-twin transfusion syndrome (TTTS) to preterm birth (PTB) at <37 weeks of gestation among Japanese twin pregnancies.

Methods: An observational study using 3241 MC-BA (monochorionic biamniotic) and 6581 BC (bichorionic biamniotic) twin pregnancies. We focused on TTTS, preterm premature rupture of membranes (PPROM), pregnancy-induced hypertension (PIH), and fetal sex as possible causes of PTB.

Results: PTB was more common in MC-BA than in BC twin pregnancies (66.9% vs. 57.6%, P<0.0001) whereas PTB after PPROM (8.0% vs. 10.0%) and PIH (5.7% vs. 5.9%) was not. PTB after TTTS occurred in 7.3% of women with MC-BA twins. PTB was significantly more common for male-male pairs than for female-female pairs among both MC-BA (69.2% vs. 64.7%) and BC (59.6% vs. 56.3%) twins.

Conclusion: The elevated risk of PTB among MC-BA twins could be explained by the occurrence of TTTS.

Keywords: Twin; preterm birth; pregnancy-induced hypertension; preterm premature rupture of membranes; twin pregnancy; twin-to-twin transfusion syndrome

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