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Retraction Note: “folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study”

The Original Article was published on 12 August 2013

Retraction

This article [1] has been retracted by the authors, as some of the reported data was incorrect. The error concerned approximately 8% of the cohort (women who answered the first version of the food frequency questionnaire, before 2002) and was caused by misclassification of the amount of the women’s reported folic acid supplementation (no supplement use instead of missing information on supplement use). The error led to minor changes in the results.

However, the estimate of the association between folate intake and spontaneous preterm delivery did not change the conclusions after the error was corrected.

In consultation with the Journal’s editors we decided to retract the article from BMC Pregnancy and Childbirth.

A corrected manuscript will be resubmitted to the Journal at the time of retraction.

On behalf of all authors,

Verena Sengpiel and Bo Jacobsson.

References

  1. 1.

    Sengpiel V, Bacelis J, Myhre R, Myking S, Pay AD, Haugen M, Brantsæter A-L, Meltzer HM, Nilsen RM, Magnus P, Vollset SE, Nilsson S, Jacobsson B: Folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study. BMC Preg Childbirth. 2013, 13: 160-10.1186/1471-2393-13-160.

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Pre-publication history

  1. The pre-publication history for this paper can be accessed here:http://www.biomedcentral.com/1471-2393/14/202/prepub

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Correspondence to Verena Sengpiel.

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The online version of the original article can be found at 10.1186/1471-2393-13-160

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Sengpiel, V., Bacelis, J., Myhre, R. et al. Retraction Note: “folic acid supplementation, dietary folate intake during pregnancy and risk for spontaneous preterm delivery: a prospective observational cohort study”. BMC Pregnancy Childbirth 14, 202 (2014). https://doi.org/10.1186/1471-2393-14-202

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