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Open Peer Review Reports for: Estimation of gestational age in early pregnancy from crown-rump length when gestational age range is truncated: the case study of the INTERGROWTH-21 st Project

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Pre-publication versions of this article are available by contacting

Original Submission
2 Sep 2013 Submitted Original manuscript
4 Sep 2013 Author responded Author comments - Eric Ohuma
Resubmission - Version 2
4 Sep 2013 Submitted Manuscript version 2
Resubmission - Version 3
Submitted Manuscript version 3
7 Nov 2013 Reviewed Reviewer Report - Shuo Chen
22 Nov 2013 Reviewed Reviewer Report - Hela Romdhani
Resubmission - Version 4
Submitted Manuscript version 4
28 Nov 2013 Editorially accepted
7 Dec 2013 Article published 10.1186/1471-2288-13-151

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.