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Physical activity and hypertensive complications during pregnancy: findings from 2004 to 2006 North Carolina Pregnancy Risk Assessment Monitoring System.
MedLine Citation:
PMID:  20887536     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: Hypertensive complications during pregnancy occur in nearly 8 percent of pregnancies and account for 15 percent of all maternal mortalities in the United States. The purpose of this study was to investigate further the association between physical activity and hypertensive complications during pregnancy using data from a population-based surveillance system.
METHODS: This study included 3,348 participants from the 2004 to 2006 North Carolina Pregnancy Risk Assessment Monitoring System. Hypertensive complications during pregnancy were assessed using birth certificate data, and physical activity levels before pregnancy and during pregnancy were self-reported on questionnaires. Multivariate logistic regression was used to calculate odds ratios (ORs) and 95% confidence intervals (CIs) while controlling for confounders.
RESULTS: Although no strong association was found between physical activity before pregnancy and hypertensive complications during pregnancy, a dose-response relationship emerged for the physical activity during pregnancy-hypertensive complications association after adjustment for prepregnancy body mass index (physical activity for 1-4 days per week: OR=0.63, 95% CI: 0.45-0.90; physical activity for 5+ days per week: OR=0.46, 95% CI: 0.20-1.02). When levels of physical activity before and during pregnancy were combined, a statistically significant protective effect was seen only for women who indicated that they were physically active both before and during pregnancy (adjusted OR=0.65, 95% CI: 0.44-0.96).
CONCLUSIONS: In this population-based study, physical activity, particularly during pregnancy, was associated with a lower risk of hypertensive complications during pregnancy. During a healthy pregnancy, health care practitioners may recommend that women engage in physical activity as one way to potentially prevent the development of this critical condition.
Authors:
Chantel L Martin; Larissa R Brunner Huber
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Birth (Berkeley, Calif.)     Volume:  37     ISSN:  1523-536X     ISO Abbreviation:  Birth     Publication Date:  2010 Sep 
Date Detail:
Created Date:  2010-10-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8302042     Medline TA:  Birth     Country:  United States    
Other Details:
Languages:  eng     Pagination:  202-10     Citation Subset:  IM    
Affiliation:
Department of Epidemiology, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, North Carolina 27599, USA.
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