Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort Studies

Objective. Nowadays, body mass index (BMI) is used to evaluate the risk stratification of obesity-related pregnancy complications in clinics. However, BMI cannot reflect fat distribution or the proportion of adipose to nonadipose tissue. The objective of this study is to evaluate the association of...

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Main Authors: Da Yao, Qing Chang, Qi-Jun Wu, Shan-Yan Gao, Huan Zhao, Ya-Shu Liu, Yu-Ting Jiang, Yu-Hong Zhao
Format: Article
Language:English
Published: Wiley 2020-01-01
Series:Journal of Diabetes Research
Online Access:http://dx.doi.org/10.1155/2020/6303820
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author Da Yao
Qing Chang
Qi-Jun Wu
Shan-Yan Gao
Huan Zhao
Ya-Shu Liu
Yu-Ting Jiang
Yu-Hong Zhao
author_facet Da Yao
Qing Chang
Qi-Jun Wu
Shan-Yan Gao
Huan Zhao
Ya-Shu Liu
Yu-Ting Jiang
Yu-Hong Zhao
author_sort Da Yao
collection DOAJ
description Objective. Nowadays, body mass index (BMI) is used to evaluate the risk stratification of obesity-related pregnancy complications in clinics. However, BMI cannot reflect fat distribution or the proportion of adipose to nonadipose tissue. The objective of this study is to evaluate the association of maternal first or second trimester central obesity with the risk of GDM. Research Design and Methods. We searched in PubMed, Embase, and Web of Science for English-language medical literature published up to 12 May 2019. Cohort studies were only included in the search. Abdominal subcutaneous fat thickness, waist circumference, waist-hip ratio or body fat distribution were elected as measures of maternal central obesity, and all diagnostic criteria for GDM were accepted. The random effect meta-analysis was performed to evaluate the relationship between central obesity and the risk of GDM. Results. A total of 11 cohort studies with an overall sample size of 27,675 women and 2,226 patients with GDM were included in the analysis. The summary estimate of GDM risk in the central obesity pregnant women was 2.76 (95% confidence interval [CI]: 2.35–3.26) using the adjusted odds ratio (OR). The degree of heterogeneity among the studies was low (I2=14.4, P=0.307). The subgroup analyses showed that heterogeneity was affected by selected study characteristics (methods of exposure and trimesters). After adjusting for potential confounds, the OR of adjusted BMI was significant (OR=3.07, 95% CI: 2.35–4.00). Conclusions. Our findings indicate that the risk of GDM was positively associated with maternal central obesity.
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spelling doaj-art-e497b2ba2adc44f0b928acb857da8ea32025-02-03T05:44:15ZengWileyJournal of Diabetes Research2314-67452314-67532020-01-01202010.1155/2020/63038206303820Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort StudiesDa Yao0Qing Chang1Qi-Jun Wu2Shan-Yan Gao3Huan Zhao4Ya-Shu Liu5Yu-Ting Jiang6Yu-Hong Zhao7Department of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaDepartment of Clinical Epidemiology, Shengjing Hospital of China Medical University, Shenyang, ChinaObjective. Nowadays, body mass index (BMI) is used to evaluate the risk stratification of obesity-related pregnancy complications in clinics. However, BMI cannot reflect fat distribution or the proportion of adipose to nonadipose tissue. The objective of this study is to evaluate the association of maternal first or second trimester central obesity with the risk of GDM. Research Design and Methods. We searched in PubMed, Embase, and Web of Science for English-language medical literature published up to 12 May 2019. Cohort studies were only included in the search. Abdominal subcutaneous fat thickness, waist circumference, waist-hip ratio or body fat distribution were elected as measures of maternal central obesity, and all diagnostic criteria for GDM were accepted. The random effect meta-analysis was performed to evaluate the relationship between central obesity and the risk of GDM. Results. A total of 11 cohort studies with an overall sample size of 27,675 women and 2,226 patients with GDM were included in the analysis. The summary estimate of GDM risk in the central obesity pregnant women was 2.76 (95% confidence interval [CI]: 2.35–3.26) using the adjusted odds ratio (OR). The degree of heterogeneity among the studies was low (I2=14.4, P=0.307). The subgroup analyses showed that heterogeneity was affected by selected study characteristics (methods of exposure and trimesters). After adjusting for potential confounds, the OR of adjusted BMI was significant (OR=3.07, 95% CI: 2.35–4.00). Conclusions. Our findings indicate that the risk of GDM was positively associated with maternal central obesity.http://dx.doi.org/10.1155/2020/6303820
spellingShingle Da Yao
Qing Chang
Qi-Jun Wu
Shan-Yan Gao
Huan Zhao
Ya-Shu Liu
Yu-Ting Jiang
Yu-Hong Zhao
Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort Studies
Journal of Diabetes Research
title Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort Studies
title_full Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort Studies
title_fullStr Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort Studies
title_full_unstemmed Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort Studies
title_short Relationship between Maternal Central Obesity and the Risk of Gestational Diabetes Mellitus: A Systematic Review and Meta-Analysis of Cohort Studies
title_sort relationship between maternal central obesity and the risk of gestational diabetes mellitus a systematic review and meta analysis of cohort studies
url http://dx.doi.org/10.1155/2020/6303820
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