Document Detail

Prenatal alcohol exposure and risk of birth defects.
MedLine Citation:
PMID:  20876169     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The goal was to examine the associations between dose, pattern, and timing of prenatal alcohol exposure (PAE) and birth defects. METHODS: Data from a randomly selected, population-based cohort of nonindigenous women who gave birth to a live infant in Western Australia (WA) between 1995 and 1997 (N=4714) were linked to WA Midwives Notification System and WA Birth Defects Registry data. We assessed the associations of PAE before pregnancy, in the first trimester, and in late pregnancy with any birth defect and with birth defects classified as alcohol-related birth defects (ARBDs) by the Institute of Medicine (IOM), by using logistic regression. RESULTS: The prevalence of birth defects classified as ARBDs by the IOM was low. Compared with abstinence, heavy PAE in the first trimester was associated with increased odds of birth defects classified as ARBDs (adjusted odds ratio: 4.6 [95% confidence interval: 1.5-14.3]), with similar findings after validation through bootstrap analysis. There was no association between low or moderate PAE and birth defects. CONCLUSIONS: A fourfold increased risk of birth defects classified as ARBDs was observed after heavy PAE in the first trimester. Many individual birth defects included in the IOM classification for ARBDs either were not present in this cohort or were not associated with PAE. Large, population-based studies are needed to strengthen the evidence base for ARBDs.
Colleen M O'Leary; Natasha Nassar; Jennifer J Kurinczuk; Nicholas de Klerk; Elizabeth Geelhoed; Elizabeth J Elliott; Carol Bower
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-09-27
Journal Detail:
Title:  Pediatrics     Volume:  126     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-10-05     Completed Date:  2010-10-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  United States    
Other Details:
Languages:  eng     Pagination:  e843-50     Citation Subset:  AIM; IM    
Telethon Institute for Child Health Research, Centre for Child Health Research, Department of Health Economics, School of Population Health, University of Western Australia, PO Box 855, West Perth, WA 6872, Australia.
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MeSH Terms
Abnormalities, Drug-Induced / etiology*
Alcohol Drinking / adverse effects*
Fetal Alcohol Syndrome
Infant, Newborn
Odds Ratio
Prenatal Exposure Delayed Effects*

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