Document Detail

Identifying the sources of the recent decline in perinatal mortality rates in California.
MedLine Citation:
PMID:  7054683     Owner:  NLM     Status:  MEDLINE    
The perinatal mortality rate in California decreased rapidly in the 1970s; neonatal mortality fell about twice as fast as fetal mortality. Decreases in birth-weight-specific mortality accounted for 81 per cent of the decline in the perinatal rate, with only 19 per cent due to improvements in birth weight. No improvement was observed in the birth-weight distribution for blacks. The decrease in mortality rates was significantly faster for cesarean deliveries than for vaginal births. By 1977, all birth-weight-specific fetal mortality rates for cesarean sections were equal to those for vaginal deliveries or lower. For infants weighing less than 2000 g, perinatal mortality rates were also significantly lower for infants born by cesarean section than for infants delivered vaginally. These results suggest that much of the recent decrease in perinatal mortality rates can be attributed to the advent of neonatal intensive care and the increased rate of cesarean section.
R L Williams; P M Chen
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  The New England journal of medicine     Volume:  306     ISSN:  0028-4793     ISO Abbreviation:  N. Engl. J. Med.     Publication Date:  1982 Jan 
Date Detail:
Created Date:  1982-03-13     Completed Date:  1982-03-13     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0255562     Medline TA:  N Engl J Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  207-14     Citation Subset:  AIM; IM; J    
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MeSH Terms
African Americans
Birth Weight
Cesarean Section
Delivery, Obstetric
Fetal Death / epidemiology*
Infant Mortality*
Infant, Newborn
Labor Presentation

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

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