Document Detail

Moderate alcohol intake during pregnancy and risk of fetal death.
MedLine Citation:
PMID:  22253313     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Controversies still exist regarding the existence of a 'safe' level of alcohol intake during pregnancy. The aim of this study was to assess the risk of fetal death (spontaneous abortion and stillbirth) according to maternal alcohol consumption in a large Danish pregnancy cohort.
METHODS: A cohort study carried out within the framework of the Danish National Birth Cohort. A total of the 92 719 participants enrolled in the Danish National Birth Cohort who provided information about lifestyle during first trimester of pregnancy were included in the study. Information about average weekly consumption of alcohol during pregnancy, smoking, coffee drinking, occupational status and reproductive history were obtained by means of computer-assisted telephone interviews. Pregnancy outcomes (spontaneous abortion, stillbirth, live birth and other pregnancy outcome) and gestational age at end of pregnancy were obtained through register linkage with the Civil Registration System and the National Discharge Registry. Data were analysed using Cox regression models, taking the varying gestational age at recruitment and time-dependent co-variables into account.
RESULTS: Fifty-five per cent of the participants abstained from alcohol drinking during pregnancy and only 2.2% reported four or more drinks per week. The adjusted hazard ratios for fetal death in first trimester were 1.66 [95% confidence interval (CI) 1.43-1.92] and 2.82 (95% CI 2.27-3.49) for women who reported 2-3½; drinks per week and 4 or more drinks per week, respectively, and 1.57 (95% CI 1.30-1.90) and 1.73 (95% CI 1.24-2.41) for fetal death during pregnancy weeks 13-16. No increased risk was found for fetal death after 16 weeks of pregnancy.
CONCLUSIONS: Even low amounts of alcohol consumption during early pregnancy increased the risk of spontaneous abortion substantially. The results indicate that the fetus is particularly susceptible to alcohol exposure early in pregnancy.
Anne-Marie Nybo Andersen; Per Kragh Andersen; Jørn Olsen; Morten Grønbæk; Katrine Strandberg-Larsen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2012-01-09
Journal Detail:
Title:  International journal of epidemiology     Volume:  41     ISSN:  1464-3685     ISO Abbreviation:  Int J Epidemiol     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-04-11     Completed Date:  2012-07-19     Revised Date:  2013-02-12    
Medline Journal Info:
Nlm Unique ID:  7802871     Medline TA:  Int J Epidemiol     Country:  England    
Other Details:
Languages:  eng     Pagination:  405-13     Citation Subset:  IM    
Section of Social Medicine, Department of Public Health, University of Copenhagen, Oster Farimagsgade 5, DK-1014 Copenhagen K, Denmark.
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MeSH Terms
Alcohol Drinking*
Cohort Studies
Confidence Intervals
Denmark / epidemiology
Fetal Death*
Gestational Age
Interviews as Topic
Pregnancy Outcome
Proportional Hazards Models
Risk Assessment
Risk Factors
Comment In:
Int J Epidemiol. 2012 Dec;41(6):1847; author reply 1848   [PMID:  23064503 ]

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