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Created on : 07 Sep 2006
Modified on : 27 Dec 2007

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Bibliographical entry (without author) :

Infant and Neonatal Mortality for Primary Cesarean and Vaginal Births to Women with ‘"No Indicated Risk," United States, 1998–2001 Birth Cohort. BIRTH 33:3 September 2006, p.175-182.

Author(s) :

Marian F. MacDorman, PhD, Eugene Declercq, PhD, Fay Menacker, DrPH, CPNP, and Michael H. Malloy, MD, MS

Year of publication :

2006

URL(s) :

http://www.blackwell-synergy.com/doi/abs/10.1111/j…

Résumé (français)  :

Abstract (English)  :

Background: The percentage of United States’ births delivered by cesarean section has increased rapidly in recent years, even for women considered to be at low risk for a cesarean section. The purpose of this paper is to examine infant and neonatal mortality risks associated with primary cesarean section compared with vaginal delivery for singleton full-term (37–41 weeks’ gestation) women with no indicated medical risks or complications.

Methods: National linked birth and infant death data for the 1998–2001 birth cohorts (5,762,037 live births and 11,897 infant deaths) were analyzed to assess the risk of infant and neonatal mortality for women with no indicated risk by method of delivery and cause of death. Multivariable logistic regression was used to model neonatal survival probabilities as a function of delivery method, and sociodemographic and medical risk factors.

Results: Neonatal mortality rates were higher among infants delivered by cesarean section (1.77 per 1,000 live births) than for those delivered vaginally (0.62). The magnitude of this difference was reduced only moderately on statistical adjustment for demographic and medical factors, and when deaths due to congenital malformations and events with Apgar scores less than 4 were excluded. The cesarean/vaginal mortality differential was widespread, and not confined to a few causes of death.

Conclusions: Understanding the causes of these differentials is important, given the rapid growth in the number of primary cesareans without a reported medical indication. (BIRTH 33:3 September 2006)

Sumário (português)  :

Resumen (español)  :

Full text (private) :

Comments :

Argument (français) :

Le risque de décès du nouveau-né est plus que doublé (1.77 au lieu de 0.62 pour 1000) suite au
choix de césarienne pour une première grossesse à faible risque. (Étude sur presque 6 millions
d’accouchements aux USA, 1998-2001)

Argument (English):

Argumento (português):

Argumento (español):

Keywords :

➡ c-section/caesarean ; ethics ; pathologies of newborn ; morbidity ; public health ; deontology ; informed consent ; perinatal death rates

Author of this record :

Bernard Bel — 07 Sep 2006
➡ latest update : Bernard Bel — 27 Dec 2007