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Cochrane Database Syst Rev. 2009 Apr 15;(2):CD000111. doi: 10.1002/14651858.CD000111.pub3.

Immersion in water in labour and birth.

Author information

  • 1School of Health Sciences , University of Southampton, Nightingale Building (67), Highfield, Southampton, Hants, UK, SO17 1BJ. e.cluett@soton.ac.uk

Abstract

BACKGROUND:

Enthusiasts suggest that labouring in water and waterbirth increase maternal relaxation, reduce analgesia requirements and promote a midwifery model of care. Sceptics cite the possibility of neonatal water inhalation and maternal/neonatal infection.

OBJECTIVES:

To assess the evidence from randomised controlled trials about immersion in water during labour and waterbirth on maternal, fetal, neonatal and caregiver outcomes.

SEARCH STRATEGY:

We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (October 2008).

SELECTION CRITERIA:

Randomised controlled trials comparing any bath tub/pool with no immersion during labour and/or birth.

DATA COLLECTION AND ANALYSIS:

We assessed trial eligibility and quality and extracted data independently. One review author entered data and another checked for accuracy.

MAIN RESULTS:

This review includes 11 trials (3146 women); eight related to the first stage of labour, one to the first and second stages, one to early versus late immersion in the first stage of labour, and another to the second stage. We identified no trials evaluating different baths/pools, or the management of third stage of labour.Results for the first stage of labour showed there was a significant reduction in the epidural/spinal/paracervical analgesia/anaesthesia rate amongst women allocated to water immersion compared to controls (478/1254 versus 529/1245; odds ratio (OR) 0.82, 95% confidence interval (CI) 0.70 to 0.98, six trials). There was no difference in assisted vaginal deliveries (OR 0.84, 95% CI 0.66 to 1.06, seven trials), caesarean sections (OR 1.23, 95% CI 0.86 to 1.75, eight trials), perineal trauma or maternal infection. There were no differences for Apgar score less than seven at five minutes (OR 1.59, 95% CI 0.63 to 4.01, five trials), neonatal unit admissions (OR 1.06, 95% CI 0.70 to 1.62, three trials), or neonatal infection rates (OR 2.01, 95% CI 0.50 to 8.07, five trials).A lack of data for some comparisons prevented robust conclusions. Further research is needed.

AUTHORS' CONCLUSIONS:

Evidence suggests that water immersion during the first stage of labour reduces the use of epidural/spinal analgesia. There is limited information for other outcomes related to water use during the first and second stages of labour, due to intervention and outcome variability. There is no evidence of increased adverse effects to the fetus/neonate or woman from labouring in water or waterbirth. The fact that use of water immersion in labour and birth is now a widely available care option for women threatens the feasibility of a large, multicentre randomised controlled trial.

Comment in

PMID:
19370552
[PubMed - indexed for MEDLINE]
PMCID:
PMC3982045
Free PMC Article

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