Document Detail

The rise in singleton preterm births in the USA: the impact of labour induction.
MedLine Citation:
PMID:  22882875     Owner:  NLM     Status:  Publisher    
Please cite this paper as: Zhang X, Kramer M. The rise in singleton preterm births in the USA: the impact of labour induction. BJOG 2012; DOI: 10.1111/j.1471-0528.2012.03453.x. Objective  To assess the extent to which increased rates of labour induction and caesarean section have contributed to the recent rise in preterm birth. Design  National birth cohort study. Setting  USA. Population and sample  Singleton live births, with primary analysis based on non-Hispanic white women. Methods  Ecological study based on the 50 states and the District of Columbia during two time periods 10 years apart: 1992-94 and 2002-04. Main outcome measure  Preterm birth (live birth <37 completed weeks of gestation), based on an algorithm combining menstrual and clinical estimates of gestational age. Results  The state-level ecological analysis among non-Hispanic white women showed that the change in preterm birth rate from 1992-94 to 2002-04 was significantly associated with the change in rate of labour induction (r = 0.50, 95% CI 0.26-0.68), but not with the change in rate of caesarean delivery (r = -0.06, 95% CI -0.33 to 0.22). Weaker but otherwise similar associations with labour induction were observed in Hispanic women and in non-Hispanic black women. Conclusions  Increasing use of labour induction is probably an important cause of the observed increased rate in preterm birth.
X Zhang; Ms Kramer
Related Documents :
6353255 - Hyporeninemic hypoaldosteronism in infancy.
7857135 - Perinatal death and thymus gland.
3992675 - Cryptosporidium spp. in new born lambs in iran.
8028575 - Occupational homicide--alaska, 1993.
2491865 - Functional hypersomatotropism in small for gestational age (sga) newborn infants.
21701165 - Nutrition of preterm infants after discharge.
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-8-13
Journal Detail:
Title:  BJOG : an international journal of obstetrics and gynaecology     Volume:  -     ISSN:  1471-0528     ISO Abbreviation:  BJOG     Publication Date:  2012 Aug 
Date Detail:
Created Date:  2012-8-13     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100935741     Medline TA:  BJOG     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012 The Authors BJOG An International Journal of Obstetrics and Gynaecology © 2012 RCOG.
Department of Pediatrics, McGill University Faculty of Medicine, Montreal, QC, Canada Department of Epidemiology, Biostatistics and Occupational Health, McGill University Faculty of Medicine, Montreal, QC, Canada.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms

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

Previous Document:  Infection with street strain rabies virus induces modulation of the microRNA profile of the mouse br...
Next Document:  Qualitative inquiry into motivators for maintaining medication adherence among Taiwanese with schizo...