Management of Spontaneous Labor in Primigravidae: Labor Scale versus WHO Partograph (SLiP Trial) Randomized Controlled Trial

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Abstract

Objective

We aimed to compare maternal and neonatal outcomes of spontaneous term labor among primigravidae who were monitored by the novel labor scale versus the World Health Organization (WHO) partograph.

Study Design

A single center, double-blinded randomized trial had been conducted between July 2015 and June 2016. Nulliparous women in spontaneous labor with singleton term pregnancies were randomized to either labor scale or the WHO partograph for management of labor. Primary outcome was successful vaginal delivery. Secondary outcome included low APGAR scores, birth injuries, postpartum hemorrhage, and infection.

Results

One hundred ten patients were randomized (55 in each arm). Women managed with labor scale had significantly lower rate of cesarean deliveries than women managed with the partograph arm (3.6% versus 18.2%, P =0.03). There was a significant reduction in the rate and duration of oxytocin administration for augmentation of labor (21.8% versus 69.1%, P < 0.0001) and a significant increase in average 1-minute APGAR score in the labor scale group.

Conclusion

Labor monitoring with the labor scale is associated with lower rate of cesarean section, less and shorter use of oxytocin for augmentation of labor. Monitoring of labor progress starting at 5 cm or more is also associated with lower rate of cesarean delivery.

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