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International Journal of Medical Research & Health Sciences
Year : 2018, Volume : 7, Issue : 4
First page : ( 6) Last page : ( 10)
Online ISSN : 2319-5886.

High Dose Oxytocin Versus Low Dose Oxytocin for Augmentation of Labor: A Prospective, Comparative, Randomized Study

NVS Mahalakshmi Neerukonda1,*, More Shivraj1, Himabindu N2

1Department of Obstetrics and Gynecology, Rajiv Gandhi Government Women and Children Hospital, Pondicherry, India

2Department of Obstetrics and Gynecology, Indira Gandhi Medical College and Research Institute, Pondicherry, India

*Corresponding e-mail: thallu.neerukonda@gmail.com

Online published on 19 November, 2018.

Abstract

Background

Most common cause for delay in labor is due to inefficient uterine contractions. Various pharmacological interventions are available in shortening the duration of labor by augmentation making childbirth safe. One such drug is oxytocin being used for decades for shortening labor thus reducing maternal and neonatal morbidity.

Objective

To compare and estimate the efficacy and safety of high dose oxytocin with that of low dose oxytocin for augmentation of labor in terms of maternal and neonatal morbidity.

Methods

400 women with singleton pregnancy, cephalic presentation, in spontaneous onset of labor at term in District hospital were randomized into 2 groups either low-dose (starting at 1 mU/min with incremental dose at 1–2 mU/min) or high dose augmentation groups (starting at 4 mU/min with incremental dose at 4 mU/min) until adequate contractions obtained. Labor duration, cesarean rates, maternal and neonatal complications, were calculated.

Results

Labor augmentation was significantly shorter by more than 2 hours in high dose oxytocin group than low dose group in nulliparas (2.83 ± 0.97 vs. 5.02 ± 1.43 hours, p<0.0001) and 1.6 hours in multiparas (2.05 ± 0.98 vs. 3.64 ± 1.08 hours, p<0.0001). No significant difference in the duration of second stage labor. The cesarean rates were not significantly different between the groups (4% vs. 5%, p=0.94). No difference in maternal and neonatal outcomes.

Conclusion

High dose oxytocin effectively reduces Oxytocin augmentation to delivery interval when compared to low dose group regardless of parity but more significantly in nulliparous than in multiparous with fewer complications.

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Keywords

Labor dystocia, Oxytocin, Augmentation.

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