Here is one study.....
 
 

Induction of labour leads to caesarean sections, instrumental delivery and shoulder dystocia

Maternal and neonatal outcomes after induction of labour without an identified indication.
Am J Obstet Gynecol. 2000 Oct;183(4):986-94.
Dublin S, Lydon-Rochelle M, Kaplan RC, Watts DH, Critchlow CW
Department of Epidemiology, University of Washington.

OBJECTIVE: This study was undertaken to examine associations between induction of labour and maternal and neonatal outcomes among women without an identified indication for induction.

Study Design: This was a population-based cohort study of 2886 women with induced labour and 9648 women with spontaneous labour who were delivered at 37 to 41 weeks' gestation, all without identified medical and obstetric indications for induction.

RESULTS: Among nulliparous women 19% of women with induced labour versus 10% of those with spontaneous labour underwent caesarean delivery (adjusted relative risk, 1.77 ; 95% confidence interval, 1.50-2.08). No association was seen in multiparous women (relative risk, 1.07; 95% confidence interval, 0.81-1.39). Among all women induction was associated with modest increases in instrumental delivery (19% vs 15%; relative risk, 1.20; 95% confidence interval, 1.09-1.32) and shoulder dystocia (3.0% vs 1.7%; relative risk, 1.32; 95% confidence interval, 1.02-1.69).

CONCLUSION: Among women who lacked an identified indication for induction of labour, induction was associated with increased likelihood of caesarean delivery for nulliparous but not multiparous women and with modest increases in the risk of instrumental delivery and shoulder dystocia for all women.

Regards
Fiona Rumble
----- Original Message -----
Sent: Tuesday, October 04, 2005 11:21 AM
Subject: [ozmidwifery] Induction and third stage labour

Dear List,

I’m a birth educator and prenatal yoga teacher in Townsville.  I hope these questions are appropriate for this list and would appreciate information from you:

 

  1. Induction.  Andrea’s Preparing for Birth:Mothers book and the wall poster on cascade of intervention states that induction increases the risks of further intervention and ultimately caesarean, and that’s what I’ve always taught in my Active Birth classes.  However, when challenged for statistics by a client in a recent workshop, I looked up Enkin, Kierse etc. who stated that induction does not increase the risk of caesareans, recommending that induction is recommended soon after a women passes her EDD.  Can anyone clear this up for me?

 

  1. Third stage of labour.  I was under the belief that if active management of third stage was chosen, the cord had to be clamped and cut quickly to avoid an over-transfusion of blood from the placenta into the baby.  However, an OB recently told a client of mine that even if she had a Synto injection, the cord could be left until it stopped pulsing.  I’ve checked Myles textbook for midwives but it’s not clear on this. 

 

I appreciate your support.

 

Best wishes,

Karen Shlegeris in Townsville

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