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Probiotics and synbiotics for polycystic ovarian syndrome: a systematic review and meta-analysis
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The same meta-analysis found significant reductions in free androgen index (SMD −0.58; 95% CI 0.95, −0.21) and MDA (SMD −0.76; 95% CI 1.46, −0.05) in probiotics and synbiotic groups compared to placebo.
“Conversely, the free androgen index (SMD: − 0.58; 95% CI: 0.95, − 0.21) and MDA (SMD: − 0.76; 95% CI: 1.46, − 0.05) concentrations exhibited significant reductions in the probiotics and symbiotic groups compared to placebo [177].”
Cozzolino et al. (2019) meta-analysis of 13 studies (855 participants) found significant increases in SHBG (SMD 0.56; 95% CI 0.26, 0.86) and NO (SMD 0.38; 95% CI 0.09, 0.68) with probiotics/synbiotics.
“Cozzolino et al. (2019) performed a meta-analysis encompassing 13 studies involving 855 participants with PCOS (n = 438 interventions and 417 controls), revealing significant increases in SHBG (SMD: 0.56; 95% CI: 0.26, 0.86) and NO (SMD: 0.38; 95% CI: 0.09, 0.68) concentrations.”
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Guevara, D. M., Vidal-Cañas, S., Palacios, I., Gómez, A., Estrada, M., Gallego, J., & Liscano, Y. (2024) · Nutrients · doi:10.3390/nu16223916 · Cited by 77
Abbasi, A., Aghebati‐Maleki, A., Yousefi, M., & Maleki, L. A. (2020) · Journal of Reproductive Immunology · doi:10.1016/j.jri.2020.103244 · Cited by 59
Muhammed Saeed, A. A., Noreen, S., Awlqadr, F. H., Farooq, M. I., Qadeer, M., Rai, N., Farag, H. A., & Saeed, M. N. (2025) · Journal of Health, Population and Nutrition · doi:10.1186/s41043-025-00899-y · Cited by 29
“[177].”
Talebi, S., Zeraattalab-Motlagh, S., Payandeh, N., Jalilpiran, Y., Ansari, S., Mohammadi, H., Djafarian, K., Ranjbar, M., Sadeghi, S., Taghizadeh, M., et al. (2023) · Frontiers in Nutrition · doi:10.3389/fnut.2023.1178842 · Cited by 25
Gao, Y., Fan, L., Ma, R., & Wu, L. (2026) · Frontiers in Endocrinology · doi:10.3389/fendo.2026.1886749
Metadata
- Authors
- Cozzolino, M., & Vitagliano, A.
- Affiliations
- Valencian Infertility Institute (ES)
- University of Padua (IT)
- Venue
- Fertility and Sterility
- Publisher
- Elsevier BV
- Published
- 2019-09
- Volume
- 112
- Issue
- 3
- Pages
- e391
- ISSN
- 0015-0282 (ISSN-L)
- OpenAlex
- W2976667752
- Cited by
- 5
- References
- 0
- Citations by year
- 2026: 1 · 2025: 1 · 2024: 1 · 2023: 1 · 2020: 1
- FWCI
- 0.24
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Fertility and Sterility (publishedVersion)
- Topics
- Health Sciences › Medicine › Reproductive Medicine › Ovarian function and disorders
- Life Sciences › Agricultural and Biological Sciences › Food Science › Probiotics and Fermented Foods
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
- Keywords
- probiotics, synbiotics, polycystic ovary syndrome, insulin resistance, androgen levels, inflammatory markers, fertility, metabolic parameters, hormonal parameters
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Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
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