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Pre-pregnancy BMI, gestational weight gain and risk of preeclampsia: a birth cohort study in Lanzhou, China

  • Yawen Shao1,
  • Jie Qiu1,
  • Huang Huang2,
  • Baohong Mao1,
  • Wei Dai1,
  • Xiaochun He1,
  • Hongmei Cui1,
  • Xiaojuan Lin1,
  • Ling Lv1,
  • Dennis Wang2,
  • Zhongfeng Tang1,
  • Sijuan Xu1,
  • Nan Zhao2,
  • Min Zhou1,
  • Xiaoying Xu1,
  • Weitao Qiu1,
  • Qing Liu1Email author and
  • Yawei Zhang2, 3Email author
Contributed equally
BMC Pregnancy and ChildbirthBMC series – open, inclusive and trusted201717:400

Received: 21 November 2016

Accepted: 6 November 2017

Published: 1 December 2017

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Open Peer Review reports

Pre-publication versions of this article are available by contacting

Original Submission
21 Nov 2016 Submitted Original manuscript
19 Jan 2017 Reviewed Reviewer Report - Anne-Lise Brantsæter
7 May 2017 Reviewed Reviewer Report - Helle Margrete Meltzer
21 Jun 2017 Author responded Author comments - Yawen Shao
Resubmission - Version 2
21 Jun 2017 Submitted Manuscript version 2
24 Sep 2017 Author responded Author comments - Yawen Shao
Resubmission - Version 3
24 Sep 2017 Submitted Manuscript version 3
6 Nov 2017 Editorially accepted
1 Dec 2017 Article published 10.1186/s12884-017-1567-2

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.

Authors’ Affiliations

Gansu Provincial Maternity and Child Care Hospital, Lanzhou, China
Yale University School of Public Health, New Haven, USA
Yale School of Medicine, New Haven, USA