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Open Peer Review Reports for: Association between very advanced maternal age and adverse pregnancy outcomes: a cross sectional Japanese study

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Pre-publication versions of this article are available by contacting

Original Submission
26 Jul 2017 Submitted Original manuscript
11 Aug 2017 Reviewed Reviewer Report - Jovita Ortiz
14 Aug 2017 Reviewed Reviewer Report - Loreto Pantoja
13 Sep 2017 Author responded Author comments - Kohei Ogawa
Resubmission - Version 2
13 Sep 2017 Submitted Manuscript version 2
6 Oct 2017 Editorially accepted
10 Oct 2017 Article published 10.1186/s12884-017-1540-0

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.