| Vaginal birth after cesarean in California: before and after a change in guidelines. | |
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MedLine Citation:
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PMID: 16735524 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: In 1999 the American College of Obstetricians and Gynecologists (ACOG) adopted more-restrictive guidelines for vaginal birth after cesarean delivery (VBAC). This study assesses trends in VBAC in California and compares neonatal and maternal mortality rates among women attempting VBAC delivery or undergoing repeat cesarean delivery before and after this guideline revision. METHODS: The 1996 through 2002 California Birth Statistical Master Files were used to identify 386,232 California residents who previously gave birth by cesarean delivery and had a singleton birth planned in a California hospital. RESULTS: Attempted VBAC deliveries decreased significantly from 24% before to 13.5% after guideline revision (P <.001). Neonatal mortality rates per 1,000 live births for attempted VBAC deliveries were not different from repeat cesarean delivery rates among neonates weighing > or =1,500 g in either the study periods 1996 to 1999 or 2000 to 2002. Neonatal mortality rates for attempted VBAC deliveries were higher for repeat cesarean deliveries among neonates weighing <1,500 g in the same periods (attempted VBAC: 1996-1999, 253.2; 95% Poisson confidence interval [CI], 197.7-308.6; 2000-2002, 336.8; CI, 254.3-419.4; repeat cesarean delivery: 1996-1999, 59.1; CI, 48.3-69.9; 2000-2002, 60.5, CI, 48.4-72.5). Maternal death rates per 100,000 live births for attempted VBAC deliveries were similar for both periods (1996-1999, 2.0; CI, 0.1-11.0; 2000-2002, 8.5; CI, 1.0-30.6). CONCLUSIONS: Neonatal and maternal mortality rates did not improve despite increasing rates of repeat cesarean delivery during the years after the ACOG 1999 VBAC guideline revision. Women with infants weighing > or =1,500 g encountered similar neonatal and maternal mortality rates with VBAC or repeat cesarean delivery. |
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Authors:
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John Zweifler; Alvaro Garza; Susan Hughes; Matthew A Stanich; Anne Hierholzer; Monica Lau |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Annals of family medicine Volume: 4 ISSN: 1544-1717 ISO Abbreviation: Ann Fam Med Publication Date: 2006 May-Jun |
Date Detail:
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Created Date: 2006-05-31 Completed Date: 2006-06-19 Revised Date: 2009-11-18 |
Medline Journal Info:
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Nlm Unique ID: 101167762 Medline TA: Ann Fam Med Country: United States |
Other Details:
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Languages: eng Pagination: 228-34 Citation Subset: IM |
Affiliation:
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Department of Family and Community Medicine, University of California, San Francisco, Fresno, Calif 93701, USA. john.zweifler@fresno.ucsf.edu |
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Birth Weight California / epidemiology Female Hospitals, Rural / statistics & numerical data Hospitals, Urban / statistics & numerical data Humans Infant Mortality / trends* Infant, Newborn Maternal Mortality / trends* Middle Aged Practice Guidelines as Topic* Pregnancy Retrospective Studies Vaginal Birth after Cesarean / trends* |
| Comments/Corrections | |
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