Document Detail

Risk factors for sudden intrauterine unexplained death: epidemiologic characteristics of singleton cases in Oslo, Norway, 1986-1995.
MedLine Citation:
PMID:  11262474     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: The epidemiologic characteristics of unexplained stillbirths are largely unknown or unreliable. We define sudden intrauterine unexplained death as a death that occurs antepartum and results in a stillbirth for which there is no explanation despite postmortem examinations, and we present risk factors for this type of stillbirth in singleton gestations.
STUDY DESIGN: Singleton antepartum stillbirths (n = 291) and live births (n = 582) in Oslo were included and compared with national data (n = 2025 and n = 575,572, respectively). Explained stillbirths (n = 165) and live births in Oslo served as controls for the cases of sudden intrauterine unexplained death (n = 76) in multiple logistic regression analyses.
RESULTS: One fourth of stillbirths remain unexplained. The risk of sudden intrauterine unexplained death (1/1000) increased with gestational age, high maternal age, high cigarette use, low education, and overweight or obesity. Primiparity and previous stillbirths or spontaneous abortions were not associated with sudden intrauterine unexplained death.
CONCLUSIONS: Risk factors for sudden intrauterine unexplained death are identifiable by basic antenatal care. Adding unexplored stillbirths to the unexplained ones conceals several risk factors and underlines the necessity of a definition that includes thorough postmortem examinations.
J F Frøen; M Arnestad; K Frey; A Vege; O D Saugstad; B Stray-Pedersen
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  184     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  2001 Mar 
Date Detail:
Created Date:  2001-03-23     Completed Date:  2001-04-26     Revised Date:  2014-07-28    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  694-702     Citation Subset:  AIM; IM    
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MeSH Terms
Abortion, Spontaneous
Educational Status
Fetal Death / epidemiology*,  etiology
Gestational Age
Maternal Age
Norway / epidemiology
Obesity / complications
Odds Ratio
Pregnancy, High-Risk
Prenatal Care
Risk Factors
Smoking / adverse effects

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

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