This study evaluated whether an augmented reality (AR)-based training system improves preparation for simulated vaginal birth compared with traditional text- and video-based learning. Vaginal birth is a complex clinical skill that requires integration of technical actions, situational awareness, and professional behaviors, and opportunities for hands-on training may be limited during undergraduate education. Undergraduate medical students and midwifery students from two universities in Chile and Colombia were randomly assigned to either conventional preparation (text and instructional video) or the same preparation supplemented with an AR training module. The AR system allowed students to explore a simulated vaginal birth scenario in a self-directed manner before participating in hands-on simulation. All students then completed a standardized simulated vaginal birth using a high-fidelity simulator as part of their regular curriculum. Performance during the first simulation was assessed by blinded evaluators using a validated Direct Observation of Procedural Skills (DOPS) checklist. The primary outcome was achievement of a predefined minimum competency threshold, with secondary outcomes including overall performance scores, completion of critical tasks, and learner satisfaction. The goal of this study was to determine whether AR-based pre-simulation training enhances early performance in simulated vaginal birth and could serve as a scalable educational tool to support competency-based training in obstetrics.
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Number of participants achieving the minimum competency threshold during simulated vaginal birth
Timeframe: Periprocedural (Day 1, during the first standardized simulated vaginal birth)