Abstract
Anxiety negatively affects pregnant women and their fetuses. It can cause misleading test readings in electronic fetal monitoring, affect the duration of the first stage of labor, and influence certain aspects related to childbirth. This study aimed to evaluate the effects of virtual reality and music therapy on anxiety levels, maternal and fetal physiologic parameters, and labor and birth outcomes. A total of 343 full-term pregnant women participated in a randomized controlled trial and were divided into 3 parallel groups: music therapy intervention (n=104), virtual reality intervention (n=124), and control (n=115). The interventions were delivered during a nonstress test in the third trimester and during labor. Data were collected from April 2017 to May 2018. Measures included the Spielberger State-Trait Anxiety Inventory, maternal blood pressure, maternal and fetal heart rates, and labor and birth outcomes. The study was registered in the Australian New Zealand Clinical Trial Registry (ACTRN12621001647820). Women in the music therapy and virtual reality groups had lower levels of anxiety after a nonstress test (P<.001), and the women were more likely to have a reactive nonstress test (P<.001) compared with the control group. After the nonstress test and intervention were complete, the music therapy and virtual reality groups had significant decreases in systolic blood pressure (P<.001), diastolic blood pressure (P<.001), and maternal heart rate (P = .003) compared with the control group. Furthermore, fetuses in the control group were more likely to experience nonreassuring fetal heart rate tracings compared with the music therapy and virtual reality groups, respectively (P=.004). Our findings support the use of music and virtual reality during nonstress tests and labor as nonpharmacologic interventions to reduce anxiety, improve maternal and fetal physiologic parameters, and improve labor and birth outcomes. This research should be replicated in diverse perinatal settings.
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