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https://hdl.handle.net/2440/61562
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Type: | Journal article |
Title: | The risk of adverse pregnancy outcomes in women who are overweight or obese |
Author: | Athukorala, C. Rumbold, A. Willson, K. Crowther, C. |
Citation: | BMC Pregnancy and Childbirth, 2010; 10(56):1-8 |
Publisher: | BioMed Central Ltd. |
Issue Date: | 2010 |
ISSN: | 1471-2393 1471-2393 |
Statement of Responsibility: | Chaturica Athukorala, Alice R Rumbold, Kristyn J Willson and Caroline A Crowther |
Abstract: | Background: The prevalence of obesity amongst women bearing children in Australia is rising and has important implications for obstetric care. The aim of this study was to assess the prevalence and impact of mothers being overweight and obese in early to mid-pregnancy on maternal, peripartum and neonatal outcomes. Methods: A secondary analysis was performed on data collected from nulliparous women with a singleton pregnancy enrolled in the Australian Collaborative Trial of Supplements with antioxidants Vitamin C and Vitamin E to pregnant women for the prevention of pre-eclampsia (ACTS). Women were categorized into three groups according to their body mass index (BMI): normal (BMI 18.5-24.9 kg/m2); overweight (BMI 25-29.9 kg/m2) and; obese (BMI 30-34.9 kg/m2). Obstetric and perinatal outcomes were compared by univariate and multivariate analyses. Results: Of the 1661 women included, 43% were overweight or obese. Obese women were at increased risk of pre-eclampsia (relative risk (RR) 2.99 [95% confidence intervals (CI) 1.88, 4.73], p < 0.0001) and gestational diabetes (RR 2.10 [95%CI 1.17, 3.79], p = 0.01) compared with women with a normal BMI. Obese and overweight women were more likely to be induced and require a caesarean section compared with women of normal BMI (induction - RR 1.33 [95%CI 1.13, 1.57], p = 0.001 and 1.78 [95%CI 1.51, 2.09], p < 0.0001, caesarean section - RR 1.42 [95%CI 1.18, 1.70], p = 0.0002 and 1.63 [95%CI 1.34, 1.99], p < 0.0001). Babies of women who were obese were more likely to be large for gestational age (LFGA) (RR 2.08 [95%CI 1.47, 2.93], p < 0.0001) and macrosomic (RR 4.54 [95%CI 2.01, 10.24], p = 0.0003) compared with those of women with a normal BMI. Conclusion: The rate of overweight and obesity is increasing amongst the Australian obstetric population. Women who are overweight and obese have an increased risk of adverse pregnancy outcomes. In particular, obese women are at increased risk of gestational diabetes, pregnancy induced hypertension and pre-eclampsia. Effective preventative strategies are urgently needed. |
Keywords: | Humans Pregnancy Complications Diabetes, Gestational Hypertension, Pregnancy-Induced Pre-Eclampsia Obesity Birth Weight Body Mass Index Pregnancy Outcome Cesarean Section Labor, Induced Prevalence Confidence Intervals Risk Regression Analysis Pregnancy Pregnancy Trimester, First Pregnancy Trimester, Second Adult Infant, Newborn Australia Female Overweight Young Adult |
Description: | Extent: 8p. |
Rights: | © 2010 Athukorala et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
DOI: | 10.1186/1471-2393-10-56 |
Published version: | http://dx.doi.org/10.1186/1471-2393-10-56 |
Appears in Collections: | Aurora harvest Obstetrics and Gynaecology publications |
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hdl_61562.pdf | Published version | 217.39 kB | Adobe PDF | View/Open |
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