Document Detail

The association of daily physical activity and birth outcome: a population-based cohort study.
MedLine Citation:
PMID:  20437195     Owner:  NLM     Status:  MEDLINE    
The potential relationship between daily physical activity and pregnancy outcome remains unclear because of the wide variation in study designs and physical activity assessment measures. We sought to prospectively quantify the potential effects of the various domains of physical activity on selected birth outcomes in a large unselected population. The sample consisted of 11,759 singleton pregnancies from the Avon longitudinal study of parents and children, United Kingdom. Information on daily physical activity was collected by postal questionnaire for self-report measures. Main outcome measures were birth weight, gestational age at delivery, preterm birth and survival. After controlling for confounders, a sedentary lifestyle and paid work during the second trimester of pregnancy were found to be associated with a lower birth weight, while 'bending and stooping' and 'working night shifts' were associated with a higher birth weight. There was no association between physical exertion and duration of gestation or survival. Repetitive boring tasks during the first trimester was weakly associated with an increased risk of preterm birth (<37 weeks) (adjusted odds ratio [OR] = 1.25, 95% CI 1.04-1.50). 'Bending and stooping' during the third trimester was associated with a reduced risk of preterm birth (adjusted OR = 0.73, 95% CI 0.63-0.84). Demanding physical activities do not have a harmful effect on the selected birth outcomes while a sedentary lifestyle is associated with a lower birth weight. In the absence of either medical or obstetric complications, pregnant women may safely continue their normal daily physical activities should they wish to do so.
Marieke I Both; Mathilde A Overvest; Mark F Wildhagen; Jean Golding; Hajo I J Wildschut
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-05-01
Journal Detail:
Title:  European journal of epidemiology     Volume:  25     ISSN:  1573-7284     ISO Abbreviation:  Eur. J. Epidemiol.     Publication Date:  2010 Jun 
Date Detail:
Created Date:  2010-07-05     Completed Date:  2010-10-25     Revised Date:  2014-02-19    
Medline Journal Info:
Nlm Unique ID:  8508062     Medline TA:  Eur J Epidemiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  421-9     Citation Subset:  IM    
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MeSH Terms
Analysis of Variance
Chi-Square Distribution
Cohort Studies
Great Britain / epidemiology
Infant, Newborn
Motor Activity*
Pregnancy Outcome / epidemiology*
Grant Support
G9815508//Medical Research Council; //Medical Research Council; //Wellcome Trust

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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