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Progestogens to prevent preterm birth in twin pregnancies: an individual participant data meta-analysis of randomized trials

  • Ewoud Schuit1Email author,
  • Sarah Stock2,
  • Rolf HH Groenwold1,
  • Kimberly Maurel3,
  • C Andrew Combs4,
  • Thomas Garite5,
  • Cathy Y Spong6,
  • Elizabeth A Thom7,
  • Dwight J Rouse8,
  • Steve N Caritis9,
  • George R Saade10,
  • Julia M Zachary7,
  • Jane E Norman2,
  • Line Rode11,
  • Katharina Klein12,
  • Ann Tabor11,
  • Elçin Çetingöz13,
  • John C Morrison14,
  • Everett F Magann15,
  • Christian M Briery16,
  • Vicente Serra17,
  • Alfredo Perales18,
  • Juan Meseguer19,
  • Anwar H Nassar20,
  • Arianne C Lim21,
  • Karel GM Moons1,
  • Anneke Kwee22 and
  • Ben Willem J Mol21
BMC Pregnancy and Childbirth201212:13

DOI: 10.1186/1471-2393-12-13

Received: 10 May 2011

Accepted: 15 March 2012

Published: 15 March 2012

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Open Peer Review reports

Pre-publication versions of this article and author comments to reviewers are available by contacting info@biomedcentral.com.

Original Submission
10 May 2011 Submitted Original manuscript
Resubmission - Version 2
Submitted Manuscript version 2
3 Jun 2011 Reviewed Reviewer Report - K Joseph
5 Aug 2011 Author responded Author comments - Ewoud Schuit
Resubmission - Version 3
5 Aug 2011 Submitted Manuscript version 3
Resubmission - Version 4
Submitted Manuscript version 4
22 Aug 2011 Reviewed Reviewer Report - K Joseph
12 Dec 2011 Author responded Author comments - Ewoud Schuit
Resubmission - Version 5
12 Dec 2011 Submitted Manuscript version 5
Publishing
15 Mar 2012 Editorially accepted
15 Mar 2012 Article published 10.1186/1471-2393-12-13

How does Open Peer Review work?

Open peer review is a system where authors know who the reviewers are, and the reviewers know who the authors are. If the manuscript is accepted, the named reviewer reports are published alongside the article. Pre-publication versions of the article and author comments to reviewers are available by contacting info@biomedcentral.com. All previous versions of the manuscript and all author responses to the reviewers are also available.

You can find further information about the peer review system here.

Authors’ Affiliations

(1)
Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht
(2)
MC Centre for Reproductive Health, University of Edinburgh
(3)
The Centre for Research, Education & Quality (CREQ), Obstetrix Medical Group
(4)
Obstetrix Medical Group
(5)
The Centre for Research, Education & Quality (CREQ), Obstetrix Medical Group
(6)
National Institute of Child Health and Human Development
(7)
The Biostatistics Centre, George Washington University
(8)
Department of Obstetrics and Gynecology, Brown University, Providence
(9)
Department of Obstetrics and Gynecology, Magee Womens Hospital, University of Pittsburgh
(10)
Department of Obstetrics and Gynecology, University of Texas Medical Branch
(11)
Department of Fetal Medicine 4002, Copenhagen University Hospital
(12)
Department of Obstetrics and Feto maternal Medicine, Medical University of Vienna
(13)
Department of Obstetrics and Gynecology, Zeynep Kamil Women and Children Diseases Education and Research Hospital
(14)
Department of Obstetrics and Gynecology, University of Mississippi Medical Centre
(15)
Department of Obstetrics and Gynecology, University of Arkansas for Medical Sciences
(16)
Department of Obstetrics and Gynecology, Willis Knighton Medical Centre
(17)
Maternal-Fetal Medicine Unit, Instituto Valenciano de Infertilidad, University of Valencia
(18)
Department of Obstetrics and Gynecology, University Hospital La Fe
(19)
Departamento de Obstetricia y Ginecología, Hospital Universitario Virgen de la Arrixaca
(20)
Department of Obstetrics and Gynecology, American University of Beirut
(21)
Department of Obstetrics and Gynecology, Academic Medical Centre
(22)
Department of Obstetrics, and Gynecology, University Medical Centre Utrecht

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