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Original Articles

Association between cigarette smoking during pregnancy and gestational diabetes mellitus: a meta-analysis

, , &
Pages 758-767 | Received 04 Jun 2018, Accepted 11 Jul 2018, Published online: 29 Oct 2018
 

Abstract

Aims: Several studies have been carried out to examine the association between cigarette smoking during pregnancy and risk of developing gestational diabetes mellitus (GDM), yet the findings are mixed. Therefore, we aimed to estimate the relationship between cigarette smoking during pregnancy and GDM risk.

Material and methods: PubMed, ScienceDirect, and Cochrane Library databases were searched up to December 2017. Studies on cigarette smoking during pregnancy and GDM were retrieved. The pooled odds ratios (ORs) and their 95% confidence intervals (CIs) for highest versus lowest level of cigarette smoking were calculated using a random-effects model.

Results: Compared to nonsmoking, the pooled ORs of cigarette smoking during pregnancy were 0.98 (95% CI: 0.88–1.10) for GDM. Specifically, the pooled ORs of light smoking and heavy smoking during pregnancy for GDM were 1.10 (95% CI: 0.97–1.25) and 1.02 (95% CI: 0.67–1.53), respectively.

Conclusions: Our findings suggest that there is no significant association between cigarette smoking during pregnancy and risk of GDM.

Disclosure statement

The authors declare no conflicts of interest.

Additional information

Funding

This work was supported by grants from the National Key Research and Development Program of China “Precision Medical Research” [2016YFC0901200, 2016YFC0901205] from the Ministry of Science and Technology.

Notes on contributors

Jian-Wei Wang

Meng Wang designed the study and wrote the manuscript. Meng Wang collected, analyzed the data with Jian-Wei Wang and Shuang-Shuang Cao. Professor Ru-Ying Hu gave much advice and directions in both study design and preparing of the manuscript. All the authors have read and approved the final submitted version.

Shuang-Shuang Cao

Meng Wang designed the study and wrote the manuscript. Meng Wang collected, analyzed the data with Jian-Wei Wang and Shuang-Shuang Cao. Professor Ru-Ying Hu gave much advice and directions in both study design and preparing of the manuscript. All the authors have read and approved the final submitted version.

Ru-Ying Hu

Meng Wang designed the study and wrote the manuscript. Meng Wang collected, analyzed the data with Jian-Wei Wang and Shuang-Shuang Cao. Professor Ru-Ying Hu gave much advice and directions in both study design and preparing of the manuscript. All the authors have read and approved the final submitted version.

Meng Wang

Meng Wang designed the study and wrote the manuscript. Meng Wang collected, analyzed the data with Jian-Wei Wang and Shuang-Shuang Cao. Professor Ru-Ying Hu gave much advice and directions in both study design and preparing of the manuscript. All the authors have read and approved the final submitted version.

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