Document Detail


Duration of pregnancy in relation to seafood intake during early and mid pregnancy: prospective cohort.
MedLine Citation:
PMID:  17111251     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
We examined the association between exposure to seafood intake during two periods of pregnancy on the one hand and risks of preterm delivery and postterm delivery on the other. In a prospective cohort of 8729 pregnant Danish women, we assessed frequency of fish meals during the first and second trimester of pregnancy by questionnaires completed around gestation weeks 16 and 30, respectively. When fish intake was based solely on intake reported for the early period of pregnancy, mean gestation length was shorter by 3.91 (95% CI: 2.24-5.58) days and odds of preterm delivery were increased 2.38 (1.23-4.61) times in those who never consumed fish (n = 308) vs. those who consumed both fish as main meal and fish in sandwiches at least once per week (n = 785). These measures were similar when fish intake was based solely on intake reported for mid-pregnancy. In the subgroup of women reporting same intake in the two trimesters, those who never consumed fish (n = 165) had 8.57 (5.46-11.7) days shorter mean gestation and 19.6 (2.32-165) times increased odds of preterm delivery, compared to high fish consumers (n = 127); odds of elective and postterm delivery were reduced by a factor 0.33 (0.11-1.02) and 0.34 (0.12-0.95), respectively, in zero fish consumers. All analyses were adjusted for potential confounding by factors such as maternal smoking, height, and prepregnant weight. We conclude that never consuming fish in the first two trimesters of pregnancy was an extremely strong risk factor for preterm delivery but was also associated with reduced risks of elective delivery and postterm delivery.
Authors:
Sjurdur F Olsen; Marie Louise Østerdal; Jannie Dalby Salvig; Ulrik Kesmodel; Tine Brink Henriksen; Morten Hedegaard; Niels Jørgen Secher
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2006-11-17
Journal Detail:
Title:  European journal of epidemiology     Volume:  21     ISSN:  0393-2990     ISO Abbreviation:  Eur. J. Epidemiol.     Publication Date:  2006  
Date Detail:
Created Date:  2006-11-30     Completed Date:  2007-03-01     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508062     Medline TA:  Eur J Epidemiol     Country:  Netherlands    
Other Details:
Languages:  eng     Pagination:  749-58     Citation Subset:  IM    
Affiliation:
Maternal Nutrition Group, Danish Epidemiology Science Centre, Statens Serum Institut, Artillerivej 5, DK-2300, Copenhagen S, Denmark. sfo@soci.au.dk
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MeSH Terms
Descriptor/Qualifier:
Cohort Studies
Denmark / epidemiology
Diet*
Diet Records
Female
Humans
Infant, Newborn
Kaplan-Meiers Estimate
Pregnancy
Pregnancy Trimesters
Pregnancy, Prolonged / epidemiology*
Premature Birth / epidemiology*
Prospective Studies
Questionnaires
Seafood*

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


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