The aim of this study is to examine the effect of using nature sounds and virtual reality during the non-stress test on fetal well-being, maternal anxiety, comfort, and satisfaction. The study sample will consist of all pregnant women admitted to the Non-Stress Test (NST) unit. A total of 150 women will be included in the sample: 50 for the virtual reality group, 50 for the nature sounds group, and 50 for the control group.
Being 18 years of age or older
Being at 32 weeks of gestation or beyond
Having a healthy pregnancy
Having a singleton and viable pregnancy
Having any communication impairment (language, vision, hearing, speech, etc.)
Having a physical or cognitive condition that prevents the use of the virtual reality application and nature sound Having a diagnosis of a high-risk pregnancy Having a diagnosis of a significant chronic (cardiac, renal, neurological, etc.) or psychiatric disorder (psychosis, neurosis, substance dependence, etc.) Having a multiple pregnancy Having a fetus with an anomaly Experiencing fetal distress requiring emergency intervention Having uterine contractions
Parallel
Virtual Reality
BehavioralWomen treated with virtual reality will be presented with videos of natural scenes (forest and sea) accompanied by nature sounds and asked to watch. The headset will be fitted before the procedure begins, and women will be instructed on how to continue watching the video while wearing the headset during the procedure.
Nature sounds
BehavioralWomen in the nature sounds group will be given the opportunity to listen to relaxing nature sounds (sea, rain, wind, river, birds) using MP3 players and headphones according to their preferences throughout the non-stress test.
Control
BehavioralParticipants in the control group received standard care (verbal information about procedure and a short written information about the procedure) and no intervention will perform.
State-Trait Anxiety Inventory (STAI) Scale
The inventory was developed by Spielberger, Gorsuch, and Lushene in 1970. An adaptation, validity, and reliability study of the State-Trait Anxiety Scale in Turkish was conducted by Oner and Le Compte in 1983. The scale consists of two subdimensions: the state anxiety has 20 items and is used to determine what is felt at a specific moment under certain conditions, and the trait anxiety has 20 items and is used to determine what has been felt in the last 7 days. High scores from each subscale indicate a high level of anxiety. The Cronbach's a for the STAI ranges from 0.83 to 0.87
Visual Analog Scale for Comfort (VAS-Comfort)
The Visual Analog Scale (VAS) will be used to determine the comfort levels of the participants. Developed by Price et al. in 1983 for the purpose of evaluating subjective pain, the VAS is an easy-to-apply measurement method whose validity and reliability are accepted in the international literature (Price et al., 1987; Akbay, 2026). Based on the individual's subjective evaluation, the VAS is used not only to determine the level of pain but also to evaluate subjective conditions such as fatigue and discomfort. The Visual Analog Scale (VAS) is a 10 cm long scale that can be arranged vertically or horizontally, with endpoints defined by different expressions. In this study, to evaluate the comfort levels of individuals, the leftmost end of the scale will be defined as "0 = Not comfortable at all" and the rightmost end as "10 = Very comfortable". To make the scale more understandable and applicable, vertical lines and numerical values will be used on the horizontal line.
Visual Analog Scale for Satisfaction (VAS-Satisfaction)
The VAS satisfaction form will be used to determine the satisfaction levels of the participants. The Visual Analog Scale (VAS) is a reliable and easily applicable measurement method with endpoints defined by different expressions, and is 10 cm long. VAS is also used to evaluate subjective states such as satisfaction. In this study, to evaluate the satisfaction levels of individuals, the leftmost end of the scale will be defined as "0 = Not satisfied at all" and the rightmost end as "10 = Very satisfied". In order to make the scale more understandable and applicable, vertical lines and numerical values will be used on the horizontal line.
Non Stress Test Evaluation Form
The NST Evaluation Form will be used to determine the emotional state of participants during the NST procedure and to evaluate the results of the non-stress test (NST). The form includes variables such as NST recording time, basal fetal heart rate (FHR), presence and number of accelerations and decelerations, and whether it is evaluated as reactive or non-reactive. The National Institute of Child Health and Human Development 2008 guidelines will be used to evaluate the NST results.
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