Elsevier

Obstetrics & Gynecology

Volume 88, Issue 5, November 1996, Pages 797-800
Obstetrics & Gynecology

Maternal position during labor: effects on fetal oxygen saturation measured by pulse oximetry

https://doi.org/10.1016/0029-7844(96)00298-0Get rights and content

Objective

To determine the effects of maternal left lateral, right lateral, and supine positions during labor on fetal oxygen saturation measured by pulse oximetry. Methods:Fetal oxygen saturation measured by pulse oximetry was obtained in 15 laboring women randomly and successively adopting left lateral, supine, and right lateral positions for 10 minutes each. Repeated measures analysis of variance was used for statistical analysis.

Results

Changes in fetal oxygen saturation were observed in different maternal positions. The supine position was associated with a lower fetal oxygen saturation than the left lateral position. One supine hypotensive syndrome occurred and was associated with a drop in fetal oxygen saturation.

Conclusion

Maternal supine position during labor is associated with a lower fetal oxygen saturation than the left lateral position.

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