2026 Research Update

Dates, birthing balls & perineal massage — what this year's studies actually found

PUBLISHED BY IS BABY COMING? · 18 OCTOBER 2026

Published by Is Baby Coming? This summary is informational, not medical advice — decisions about your pregnancy belong with your midwife or doctor. Every claim below sits next to its source, and we grade how strong the evidence actually is. None of these studies tested or validates any product brand.

Dates in late pregnancy

The broadest credible synthesis remains a 2024 BMC Pregnancy & Childbirth review (48 studies; PMID 38166785) — our 2026 update relies on it because this year's overviews restate the same data without new trials. It linked eating dates in the last weeks to more spontaneous labor starts, less need for induction, and about 1 cm more cervical dilation at admission. Effects on cesarean and instrumental delivery were not statistically significant.

How good is the evidence? Weak to moderate: the review rated most outcomes low-to-moderate certainty, only 4 of 48 studies had low risk of bias, and only 4 reported safety data at all — so dates appear safe as food, but that is not proof of safety as an intervention. There is no universally established dose: trials used different date types and sizes, and six large Medjool dates are not the same as six small ones. The 2011 study we have long cited (Al-Kuran) is a prospective observational comparison, not a randomized trial.

One caution: dates are sugary. If you have gestational diabetes, fit them into your care plan with your clinician or dietitian — ACOG's gestational diabetes FAQ explains why.

Birthing balls and peanut balls

The strongest 2026 paper is Luo et al.'s PeerJ meta-analysis (23 randomized trials, 3,192 women; PMID 41943826). Using a birthing ball during labor cut pain scores by about 2 points on a 10-point scale and shortened the second stage by about 17 minutes; the pooled cesarean rate was roughly halved in relative terms. The authors rate certainty moderate-to-low, and not every pooled endpoint includes all 23 trials. The size of any benefit remains uncertain.

Peanut balls are a separate device with a smaller evidence base: trials showed shorter first and second stages but no significant effect on pain or cesarean rates, so we don't lump the two together. An earlier 2025 meta-analysis (10 trials) pointed the same direction on pain, which is reassuring. What no study shows: that a ball starts labor. All of this evidence is during labor — a ball is a comfort tool, not an induction method.

ACOG Committee Opinion 766 (reaffirmed 2025) supports freedom of movement and position for low-risk women in labor, which is the closest thing to official backing a birthing ball has.

Perineal massage before birth

The most useful 2026 primary study is Zhang et al. in Midwifery (PMID 42229096): a propensity-matched cohort of 674 first-time mothers — matched pairs, not a randomized trial, so it shows association, not proof. Women who did structured perineal massage from 36 weeks had fewer episiotomies (17.5% vs 26.4%) and, among women without an episiotomy, fewer second-degree tears (75.9% vs 85.1%). The best results appeared after about 5–8 sessions. Most women who massaged still had some tearing — this shifts odds, it doesn't protect completely.

A 2026 network meta-analysis in Frontiers in Medicine (31 trials, 10,745 women; PMID 42023089) found physical techniques — pelvic floor exercise before birth, massage and warm compresses — roughly halved some perineal-injury outcomes, while information-only programs did nothing. Note that its massage-plus-warm-compress results partly come from during-labor care, so they don't validate antenatal massage products. The honest ceiling comes from Cochrane 2024(17 trials, 13,695 women; PMID 39465967): warm compresses during the second stage probably reduce severe tears (moderate certainty), while evidence for second-stage massage is low to very-low certainty. That review explicitly excluded techniques outside the second stage; it does not directly evaluate massage practiced before labor.

What matters is the technique, not the lubricant: if you use an oil, patch-test first and avoid known allergens (for example nut-derived oils with a nut allergy). Skip massage and ask your midwife or ob-gyn first if you have placenta previa, vaginal bleeding, any risk of preterm labor, or an active infection — and stop if it hurts or causes bleeding.

What this means for what you buy

Very little, honestly — and that's the point. These studies tested a fruit, a ball, and a massage technique. Our curated picks on the Resources pageare separate editorial choices, with product identity, pack size and practical features checked — not brands the research endorses, because no research does.