Document Detail

Recreational exercise and occupational activity during pregnancy and birth weight: a case-control study.
MedLine Citation:
PMID:  11228494     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Our purpose was to investigate the impact of exercise and occupational activity on birth weight. STUDY DESIGN: This case-control study involved singleton infants at > or = 34 weeks' gestation without congenital anomalies. Case subjects had birth weights at <15th percentile for gestational age, and 2 control subjects were selected per case subject. Data were collected by self-completed questionnaire and analyzed by means of logistic regression. RESULTS: Relative to those who participated in structured exercise 3 or 4 times per week during the third trimester, the odds of lower birth weight were substantially increased for those who exercised > or = 5 times per week (adjusted odds ratio, 4.61; 95% confidence interval, 1.73-12.32) and modestly increased for those at the other extreme, who engaged in structured exercise < or = 2 times per week (adjusted odds ratio, 2.64; 95% confidence interval, 1.29-5.39). Other factors of importance to birth weight were maternal height, prepregnancy body mass, pregnancy weight gain, smoking in the third trimester, and nulliparity. CONCLUSIONS: Structured exercise frequency during late pregnancy is a determinant of birth weight.
M K Campbell; M F Mottola
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  184     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2001 Feb 
Date Detail:
Created Date:  2001-03-06     Completed Date:  2001-03-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  403-8     Citation Subset:  AIM; IM    
Department of Epidemiology and Biostatistics, The University of Western Ontario, London, Canada.
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MeSH Terms
Body Height
Body Weight
Case-Control Studies
Embryonic and Fetal Development / physiology
Exercise / physiology*
Infant, Newborn
Infant, Small for Gestational Age / physiology*
Logistic Models
Maternal Age
Multivariate Analysis
Pregnancy, High-Risk
Regression Analysis
Risk Factors
Weight Gain
Work / physiology*

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

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