CHAMGAP
VERIFIEDPassed the Codex final verification and publication gate. Evidence-verification cutoff: 2026-09-07. AI was used for research and drafting; the existence of all 4 cited sources was verified (2 access-limited, verified via index/summary and marked), followed by blind grading, adversarial audit, and build validation. Methodology v0.9.
Verdict No. 3004 · Search date 2026-09-07 · Methodology v0.9

Up to 30 minutes of immersive virtual reality with audio guidance during labor,
does it really help with Immediate labor-pain reduction before pharmacologic analgesia?

30-Second Summary
C
Evidence Grade C · 50 · Safety caution
Immersive VR may be a brief labor-pain adjunct, not evidence that epidural analgesia or operative birth can be avoided
Remove the headset if dizziness, motion sickness, discomfort, or visual obstruction occurs. It must not interfere with clinical monitoring or communication, and small trials cannot exclude rare maternal or neonatal harms.
What the
research shows
Grade C with 50 points. In a 40-person trial of term nulliparous women, pain changed by +0.58 with control and -0.52 with VR, a between-group change difference of -1.10 points, P=.03. The 95% CI was unavailable, and a 30-minute unblinded trial does not establish pain control throughout labor or reduced epidural or cesarean use.
What the
ads claim
Claims such as 'VR instead of an epidural' or 'surgery-free birth with VR' extend an immediate pain-score signal to treatment replacement and obstetric-event prevention.
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Useful facts when choosing a product

  • The key intervention combined nature scenes, distraction, and labor-specific audio.
  • Content, exposure time, headset, and epidural status varied among trials.
  • All 40 participants were analyzed, but the trial was too small to assess rare maternal or neonatal harms.
Gap Measurement · Verdict 3004 · C 50
What advertising claims
What independent, higher-quality research supports
△ GAP
01

What the research actually shows

The 40-person key trial compared up to 30 minutes of VR with no added intervention. A 27-person crossover compared VR and non-VR contractions for about ten minutes, and a 42-person study separated early labor from post-epidural assessment.

02

Why this is classified as C (50)

A direct primary pain signal is limited by a patient-reported endpoint, R1, I1, and small acute unblinded B2 studies, giving C with 50 points.

Counterpoint. Minimum-clinically-important-difference response was 0% versus 23.8%, P=.049, but the threshold's external validation and CI were unavailable, so it was not counted as another strength.

Rejudgment record. Cross-check applied — Separated the described primary pain change from epidural status, persistence, medication, and operative outcomes, and did not count a qualitative report from the same cohort as replication

Scoring profile behind this grade
EndpointPPatient-reported treatment goal - the symptom is the goal
ReplicationR1Single confirmatory trial
IndependenceI1Mixed funding sources
Effect sizeE+Meets the clinically important threshold

The scoring table and the verdict agree (C).

Sub-claim grades by effect

This ingredient is marketed for several effects. A single overall grade blends strong and weak claims together, so each effect is graded separately here. The overall grade reflects the strongest disconfirming or core claim.

Effect (sub-claim)GradeBasis
Immediate labor-pain reduction before pharmacologic analgesiaCA 40-person primary pain result and a small independent crossover support a brief signal.
Pain relief lasting beyond 30 minutesDA recent trial found that the during-use signal was not sustained 30 minutes later.
Reduced analgesic use, cesarean birth, or instrumental delivery?Precise effects and adequate power for these outcomes were not established.

Cross-check — AI research and Codex final gate

AI was used for research and drafting. Blind grading, adversarial audit, and the methodology boundary rules were then reapplied before Codex performed the final evidence, grade, copy, and build checks. If a grade cannot be narrowed, both evidence positions and their reasons are published.
03

Evidence Table

StudyDesignSampleFundingEndpointResultWeight
Study 1Open randomized controlled trial19A same-cohort report disclosed AppliedVR device/software support and reported no role in analysisBetween-group difference in pre-post pain changeControl +0.58, VR -0.52; difference in change -1.10, P=.03Key direct pain trial
Study 2Order-randomized acute crossover trial27NIH AR054115 and GM042725Sensory pain and anxietySensory pain -1.5 (95% CI -2.2 to -0.8); anxiety -1.5 (-2.3 to -0.8)Independent acute support
Study 3Randomized controlled trial21Reported no applicable funding and no conflictsPrimary childbirth satisfaction; secondary painSatisfaction P=.04; within-group early-pain reduction and no post-epidural changeEndpoint and epidural qualifier
Study 4Randomized controlled trial29Not verifiedPain during use and 30 minutes laterThe during-use signal was not sustained 30 minutes laterRecent persistence qualifier
§

Receipt — 4 References

Of 4 cited sources, 2 had limited original-page access (blocked or summary-only) and were verified via index/summary, marked partial; the rest were verified at the original page. As of 2026-09-07.

Wong MS, Spiegel BMR, Gregory KD. Virtual Reality Reduces Pain in Laboring Women: A Randomized Controlled Trial. Am J Perinatol. 2021;38(S01):e167-e172. PMID: 32485759. DOI: 10.1055/s-0040-1708851.
partial
Frey DP, et al. Virtual Reality Analgesia in Labor: The VRAIL Pilot Study-A Preliminary Randomized Controlled Trial Suggesting Benefit of Immersive Virtual Reality Analgesia in Unmedicated Laboring Women. Anesth Analg. 2019;128:e93-e96. PMID: 31094789. DOI: 10.1213/ANE.0000000000003649.
checked
Carus EG, Albayrak N, Bildirici HM, Gur Ozmen S. Immersive virtual reality on childbirth experience for women: a randomized controlled trial. BMC Pregnancy Childbirth. 2022;22:354. PMID: 35461248. PMCID: PMC9034564. DOI: 10.1186/s12884-022-04598-y.
checked
Correia MCG, et al. Virtual Reality in Labor Pain Management: A Randomized Controlled Trial. Pain Manag Nurs. 2026;27:e708-e714. PMID: 41896140. DOI: 10.1016/j.pmn.2026.02.005.
partial
Research and draft: AI used · Cross-check: blind grading and adversarial audit
Final verification and publication gate: Codex · Verification cutoff: 2026-09-07 · Corrections: none

Cite this verdict

Intrapartum VR for Acute Pain—Brief Relief Signal, Unproven Analgesic or Operative-Birth Reduction Evidence Grade C card
[Chamgap] Intrapartum VR for Acute Pain—Brief Relief Signal, Unproven Analgesic or Operative-Birth Reduction — Evidence Grade C·50. 4 cited sources checked. Source: https://chamgap.com/en/verdicts/womens/immersive-virtual-reality-acute-labor-pain/ · CC BY 4.0

CC BY 4.0 — free to use with attribution; do not distort grades, numbers, or verdict meaning.

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