What it is
The peanut ball supports side-lying and semi-recumbent positions with the top leg held open, widening the mid-pelvic diameter. It is most studied in people with epidurals, where mobility is limited and asymmetric positioning still supports fetal descent and rotation.
Evidence review links
Each link opens the full review on the publisher's site in a new tab.
Possible benefits
- May shorten first stage of labor and reduce cesarean delivery in people with epiduralsReview sources ↓
- Enables asymmetric positioning without needing to standReview sources ↓
- Supports rest and position change every 30–60 minutesReview sources ↓
Possible risks
- Minimal — a support person may need to help repositionReview sources ↓
- Not appropriate if the top leg or hip is unstableReview sources ↓
Alternatives
- Side-lying with pillows between the kneesReview sources ↓
- Semi-sitting with knees dropped openReview sources ↓
- Hands-and-knees or throne position between restsReview sources ↓
Current evidence
Tussey et al. (JOGNN 2015) and follow-up studies suggest shorter first- and second-stage labor and lower cesarean rates with peanut ball use in epidural labor.
Where the evidence is clear · where people may choose differently
For most topics, guidelines from ACOG, WHO, and other major bodies broadly agree on the core safety points (when to act in an emergency, informed-consent standards, monitoring baselines). Where reasonable people — and even guidelines — differ tends to be around thresholds (when to start or stop something), preferences (comfort, environment, support), and values (how you weigh small risks against benefits). Use the questions below to explore those pieces with your care team.
Educational only. Your care team can help you weigh what applies to your specific situation.
Related evidence topics
- Birth Ball (Exercise Ball) in LaborA large inflatable ball used for sitting, rocking, and pelvic mobility in late pregnancy and labor.
- Epidural AnesthesiaRegional anesthesia delivered through a small catheter in the lower back to numb pain from the waist down during labor.
- Movement & Position in LaborFreedom to move, change positions, and use upright postures during labor.
Questions to ask your care team
- ?Is a peanut ball available on the unit?
- ?What size and positioning works best after an epidural?
- ?How often should we change sides?
Universal questions (works for any decision)
A short BRAIN-style set you can bring to any conversation about interventions, monitoring, or care decisions.
- ?Why are you recommending this now — is it urgent, routine, or optional?
- ?What happens if we wait an hour (or longer) before deciding?
- ?What signs would tell us this is working — or that we need to change course?
- ?What are the alternatives, including doing nothing?
- ?What would you recommend if this were your family?
- ?What would change your recommendation?
Sources & provenance
Tap a source to open the original guideline or review in a new tab.
- Tussey et al. — Effect of the peanut ball on labor progression — JOGNN
- AWHONN Practice Brief: Peanut Ball Use — AWHONN
Plain-language paraphrase. Re-verify before publish.
Last reviewed: 2026-07-03
Further reading — canonical references
Read the source material directly. Each link opens the publisher's own current guidance in a new tab — cross-check what we summarize against what they say.
Tier 1 · Clinical guidelines
Tier 2 · Systematic reviews
Educational only. Guidelines evolve — the linked publisher pages will reflect newer guidance than any static snapshot.
Version history — v1.0.0
v1.0.0 · 2026-07-03 · LlaMamma editors
Initial peanut ball topic.
New guidance from ACOG, WHO, Evidence Based Birth, or other listed sources is recorded here and can be updated remotely without a new app release.