SynthesisEuropean journal of nutrition2020
The effect of probiotics, prebiotics, and synbiotics on hormonal and inflammatory indices in women with polycystic ovary syndrome: a systematic review and meta-analysis.
Synthesis in European journal of nutrition, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 50 papers, 10 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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
50 citing papers in PubMed, 10 syntheses or guidelines pooled it, 92 citations in OpenAlex.
- Gut microbiota, a new approach to management of polycystic ovary syndrome: a systematic review, meta-analysis and meta-evidence of 26 randomized controlled trials.Journal of ovarian research · 2026Pooled it
- Efficacy of dietary supplements as an adjunctive therapy for polycystic ovary syndrome: an umbrella meta-analysis.Frontiers in nutrition · 2025Pooled it
- Pooled it
- Hotspots and research trends of gut microbiome in polycystic ovary syndrome: a bibliometric analysis (2012-2023).Frontiers in microbiology · 2024Pooled it
- The role of probiotic supplementation in inflammatory biomarkers in adults: an umbrella meta-analysis of randomized controlled trials.Inflammopharmacology · 2023Pooled it
- Effects of n-3 polyunsaturated fatty acid on metabolic status in women with polycystic ovary syndrome: a meta-analysis of randomized controlled trials.Journal of ovarian research · 2023Pooled it
- Effects of selenium supplementation on Polycystic Ovarian Syndrome: a systematic review and meta-analysis on randomized clinical trials.BMC endocrine disorders · 2023Pooled it
- The effects of pro-, pre-, and synbiotics supplementation on polycystic ovary syndrome: an umbrella review of meta-analyses of randomized controlled trials.Frontiers in nutrition · 2023Pooled it
- The effects of probiotics, prebiotics, and synbiotics on polycystic ovarian syndrome: an overview of systematic reviews.Frontiers in medicine · 2023Pooled it
- Therapy with probiotics and synbiotics for polycystic ovarian syndrome: a systematic review and meta-analysis.European journal of nutrition · 2020Pooled it
- Trial
- Probiotic effects on sexual function in women with polycystic ovary syndrome: a double blinded randomized controlled trial.BMC women's health · 2022Trial
- The Gut-Insulin Axis in Polycystic Ovary Syndrome: A Narrative Review of Gut Dysbiosis, Inflammation, and Emerging Therapeutic Strategies.Reproductive sciences (Thousand Oaks, Calif.) · 2026Review
- Targeting the gut microbiome: an integrated probiotic and prebiotic strategy for polycystic ovary syndrome management.Journal of ovarian research · 2026Review
- Hormonal Imbalance and Gut Dysbiosis: Emerging Perspectives in Women's Health.Probiotics and antimicrobial proteins · 2026Review
- The Interplay Between PMOS and MASLD: Pathophysiology and Evidence-Based Nutritional Interventions.Nutrients · 2026Review
- Unveiling the Bidirectional Relationship on the Effect of Gut Microbiota and Female Infertility: A Narrative Review.Health science reports · 2026Article
- Article
- Microbial regulators of physiological and reproductive health in women of reproductive age: their local, proximal and distal regulatory roles.NPJ biofilms and microbiomes · 2025Review
- Synbiotic-ContainingIranian journal of public health · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionPolycystic ovary syndrome (PCOS) is among the most prevalent endocrine disorders in women and can lead to many other disorders and chronic diseases. Thus, early diagnosis and treatment of this syndrome is important. Using probiotics, prebiotics, and synbiotics supplementations to treat PCOS seems appropriate because of their useful effects and low complications.
aimsTo assess the effects of probiotics, prebiotics, and synbiotics on hormonal indices such as testosterone, dehydroepiandrosterone sulfate (DHEA-S), sex hormone binding globulin, Free Androgen Index (FAI), and inflammatory indices, such as high sensitive C reactive protein (hsCRP), malondialdehyde (MDA), total glutathione (GSH), nitric oxide (NO), and total antioxidant capacity (TAC) as the primary outcomes and the hirsutism score as the secondary outcome.
methodsAll published articles from the beginning until 10 November 2018 in English (Cochrane Library, Web of Sciences, Google Scholar, PubMed, Scopus, and ProQuest) and Persian (SID and Magiran) databases were searched. The effect of interventions on the outcomes was reported with a standard mean difference (SMD) and confidence interval of 95%. In case of high heterogeneity, the random effect model was used instead of the fixed effect model. The statistical heterogeneity of the included clinical trials was tested using the Chi square test and I
resultsThirteen studies with 855 participants with PCOS(438 women in the intervention group and 417 women in the control group) were included in the meta-analysis. Results of the meta-analysis showed that the SHBG (SMD: 0.56; 95% CI 0.26-0.86; P = 0.0002) and NO (SMD: 0.38; 95% CI 0.09-0.68; P = 0.01) concentration increased significantly in the probiotics and synbiotics groups compared to the placebo group. FAI (SMD: - 0.58; 95% CI - 0.95 to - 0.21; P = 0.002) and MDA (SMD: - 0.76; 95% CI - 1.46 to - 0.05; P = 0.03) concentration in the probiotics and synbiotics groups reduced significantly compared to the placebo group. The results of meta-analyses on other hormonal and inflammatory indices such as testosterone, DHEAS, GSH, hsCRP, TAC, and hirsutism score showed that there were no significant differences between the intervention and control groups.
conclusionUsing synbiotics and probiotics in women with polycystic ovary syndrome improve hormonal (FAI, SHBG) and inflammatory (NO, MDA) indices in these patients.
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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 Socratic graph.