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The effect of intrapartum dental support use among nulliparous during the second stage of labor - a randomized
Amir Aviram1,2, Eran Ashwal1,2, Liran Hiersch1,2
1a Helen Schneider Hospital for Women, Rabin Medical Center , Petah-Tikva , Israel and.
Objective:
We aimed to determine the effect of a dental support device (DSD) use on the course of labor and delivery in nulliparous women.
Methods:
A randomized, controlled, open-label study of nulliparous (at 37 + 0/7 and 41 + 3/7 weeks of gestation) in a single tertiary university-affiliated medical center. Exclusion criteria included maternal chronic diseases, multi-fetal gestation and fetal chromosomal or structural anomalies. Outcomes were analyzed according to the actual use of the DSD, and satisfaction questionnaires following delivery.
Results:
Overall, 191 women were randomized (93in the study group and 98 in the control group). The median duration of the second stage was similar between the groups (100.0 ± 91.0 versus 98.0 ± 128.8 min, p = 0.97) and the maximal VAS score was significantly higher in the DSD group (4.0 ± 8.5 versus 3.0 ± 6.8, p = 0.04). The rate of obstetrical interventions such as operative vaginal delivery or cesarean section during the second stage was significantly higher in the control group than in the study group (28.2% versus 12.3% and 6.4% versus 1.2%, respectively, p = 0.004), mainly due to prolonged second stage of labor (24.5% versus 8.6%, p = 0.005). Of the DSD group, 50.6% rated the use of the DSD as comfortable, 32.2% rated its effect on pain relief as high, 55.6% would recommend its use to their peers and 51.9% would like to use it in their consecutive delivery.
Conclusion:
The use of a DSD among nulliparous women appears to decrease the need for obstetrical intervention due to prolonged second stage of labor, with fair satisfaction of patients.
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