Trial reportPloS one2017
The effects of an unsupervised water exercise program on low back pain and sick leave among healthy pregnant women - A randomised controlled trial.
Trial report in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02354430 (AquaMama - Testing the Effect of a Public Water-exercise Program on Low Back Pain and Sick Leave Among Healthy Pregnant Women), which is not on this map. Cited by 18 papers, 3 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
AquaMama - Testing the Effect of a Public Water-exercise Program on Low Back Pain and Sick Leave Among Healthy Pregnant Women
Who cites it
18 citing papers in PubMed, 3 syntheses or guidelines pooled it, 60 citations in OpenAlex.
- Exercise Interventions and Pregnancy-Related Back Pain: Evidence and Gaps From a Systematic Review.International journal of public health · 2026Pooled it
- Antenatal Physical Activity Interventions and Pregnancy Outcomes: A Systematic Review and Meta-Analysis With a Focus on Trial Quality.BJOG : an international journal of obstetrics and gynaecology · 2025Pooled it
- Influence of prenatal aquatic activities on fetal outcomes and maternal physical and mental outcomes: a systematic review and meta-analysis.BMC pregnancy and childbirth · 2024Pooled it
- Effects of prenatal exercise on gestational weight gain, obstetric and neonatal outcomes: FitMum randomized controlled trial.BMC pregnancy and childbirth · 2023Trial
- Review
- Patterns in exercise behaviour across pregnancy: a retrospective cohort study of physically active individuals from pre-conception to postpartum.European journal of applied physiology · 2026Observational
- Epidemiology, Risk Factors, and Management of Pregnancy-Related Chronic Back Pain.Current pain and headache reports · 2026Review
- Incidence, Clinical Characteristics, and Underreporting of Low Back Pain in Physically Active Pregnant Women: Prospective Cohort Study.Medicina (Kaunas, Lithuania) · 2025Article
- Pregnancy-Related Hip and Pelvis Musculoskeletal Conditions, Risk Factors, and Prevention.Current reviews in musculoskeletal medicine · 2025Review
- The Influence of Physical Activity during Pregnancy on Maternal Pain and Discomfort: A Meta-Analysis.Journal of personalized medicine · 2023Review
- Influence of Physical Activity during Pregnancy on Birth Weight: Systematic Review and Meta-Analysis of Randomized Controlled Trials.Journal of clinical medicine · 2023Review
- Influence of Physical Activity during Pregnancy on Type and Duration of Delivery, and Epidural Use: Systematic Review and Meta-Analysis.Journal of clinical medicine · 2023Review
- Is Exercise during Pregnancy a Risk for Gestational Age and Preterm Delivery? Systematic Review and Meta-Analysis.Journal of clinical medicine · 2023Review
- Physical activity during pregnancy: a systematic review for the assessment of current evidence with future recommendations.BMC sports science, medicine & rehabilitation · 2022Article
- Exercise During Pregnancy: What Do OB/GYNs Believe and Practice? A Descriptive Analysis.Women's health reports (New Rochelle, N.Y.) · 2022Article
- Exercise versus Metformin to Improve Pregnancy Outcomes among Overweight Pregnant Women: A Systematic Review and Network Meta-Analysis.Journal of clinical medicine · 2021Review
- Article
- Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLow back pain is highly prevalent among pregnant women, but evidence of an effective treatment are still lacking. Supervised exercise-either land or water based-has shown benefits for low back pain, but no trial has investigated the evidence of an unsupervised water exercise program on low back pain. We aimed to assess the effect of an unsupervised water exercise program on low back pain intensity and days spent on sick leave among healthy pregnant women.
methodsIn this randomised, controlled, parallel-group trial, 516 healthy pregnant women were randomly assigned to either unsupervised water exercise twice a week for a period of 12 weeks or standard prenatal care. Healthy pregnant women aged 18 years or older, with a single fetus and between 16-17 gestational weeks were eligible. The primary outcome was low back pain intensity measured by the Low Back Pain Rating scale at 32 weeks. The secondary outcomes were self-reported days spent on sick leave, disability due to low back pain (Roland Morris Disability Questionnaire) and self-rated general health (EQ-5D and EQ-VAS).
resultsLow back pain intensity was significantly lower in the water exercise group, with a score of 2.01 (95% CI 1.75-2.26) vs. 2.38 in the control group (95% CI 2.12-2.64) (mean difference = 0.38, 95% CI 0.02-0.74 p = 0.04). No difference was found in the number of days spent on sick leave (median 4 vs. 4, p = 0.83), disability due to low back pain nor self-rated general health. There was a trend towards more women in the water exercise group reporting no low back pain at 32 weeks (21% vs. 14%, p = 0.07).
conclusionsUnsupervised water exercise results in a statistically significant lower intensity of low back pain in healthy pregnant women, but the result was most likely not clinically significant. It did not affect the number of days on sick leave, disability due to low back pain nor self-rated health.
trial registrationClinicalTrials.gov NCT02354430.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.