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Created on : 21 Apr 2005
Modified on : 23 Nov 2018

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Bibliographical entry (without author) :

The Birthing Chair: an obstetric hazard? J Obstet Gynaecol Br Commonwealth 1986;6:232-5.

Author(s) :

Turner MJ, Romney ML, Webb JB, Gordon H.

Year of publication :

1986

URL(s) :

https://www.tandfonline.com/doi/abs/10.3109/014436…
https://doi.org/10.3109/01443618609079206

Résumé (français)  :

Abstract (English)  :

Women were randomly allocated by the opening of a sealed envelope before the onset of second stage of labour.

636 women were randomised. 97 were excluded from analyses. London, England.
226 study participants: 111 primigravidae, 115 multigravidae.
313 control subjects: 140 primigravidae, 173 multigravidae.
All women had full term (37 weeks completed) gestation.
Singleton pregnancies.
Induced and spontaneous labours were included.
Women who had epidural anesthesia were included.

Study group: 318 women were randomly allocated to deliver in a ’Birth E-Z’ chair. The delivery was conducted with the chair tilted back to an angle of 40 degrees. 92 women in the study group were excluded from the analyses as they did not deliver in the chair.

Control group: 318 women were randomly allocated to deliver on the bed in the dorsal position, but were allowed to be propped up with a pillow. 5 women were excluded from the analyses as they insisted on delivering in the chair.

Unfortunately the authors excluded 92 women who were randomly allocated to use the chair, but delivered in the bed, from the analyses. Five women were excluded from the control group who insisted on using the chair for delivery. These exclusions could have affected the results and the data must be interpreted with care.
’Perineal tears’ were included in review as second degree tears. It is not clear in the article if these include first degree tears.

Sumário (português)  :

Resumen (español)  :

Comments :

The Journal of Obstetrics and Gynaecology of the British Commonwealth est par la suite devenu le BJOG, an international journal etc…
La présentation de cette étude provient de systématique Cochrane Gupta 2004 (fiche afar 1099).

Argument (français) :

Aucune preuve n’a été trouvée que l’utilisation de la chaise était bénéfique.

Argument (English):

No evidence was found that the use of the chair was beneficial.

Argumento (português):

Nenhuma evidência foi encontrada que o uso da cadeira foi benéfico.

Argumento (español):

Keywords :

➡ evidence-based medicine/midwifery ; physiology ; position during labor

Author of this record :

Cécile Loup — 21 Apr 2005
➡ latest update : Bernard Bel — 23 Nov 2018