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Open Peer Review Reports for: Trial protocol OPPTIMUM– Does progesterone prophylaxis for the prevention of preterm labour improve outcome?

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Pre-publication versions of this article are available by contacting

Original Submission
30 May 2012 Submitted Original manuscript
20 Jun 2012 Author responded Author comments - Jane Norman
Resubmission - Version 2
20 Jun 2012 Submitted Manuscript version 2
28 Jun 2012 Editorially accepted
6 Aug 2012 Article published 10.1186/1471-2393-12-79

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 are available by contacting

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