The Role of the Gut Microbiome in Youth with Polycystic Ovary Syndrome: A Systematic Review

Author:

Tsinopoulou Vasiliki-Rengina12,Kotanidou Eleni P.12ORCID,Athanasiadis Nikolaos3,Sapountzi Evdoxia2,Bacopoulou Flora4ORCID,Ntzani Evangelia5ORCID,Galli-Tsinopoulou Assimina12ORCID,Christoforidis Athanasios16

Affiliation:

1. Program of Postgraduate Studies “Adolescent Medicine and Adolescent Health Care”, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece

2. 2nd Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, AHEPA University General Hospital, Stilponos Kyriakidi 1, 54636 Thessaloniki, Greece

3. 3rd Department of Obstetrics and Gynecology, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Ippokration General Hospital, 54642 Thessaloniki, Greece

4. Center for Adolescent Medicine and UNESCO Chair in Adolescent Health Care, 1st Department of Pediatrics, School of Medicine, National and Kapodistrian University of Athens, Aghia Sophia Children’s Hospital Athens, 11527 Athens, Greece

5. Department of Hygiene and Epidemiology, School of Medicine, University of Ioannina, 45500 Ioannina, Greece

6. 1st Department of Pediatrics, School of Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki, Ippokration General Hospital, 54636 Thessaloniki, Greece

Abstract

Background: Polycystic ovary syndrome (PCOS) is a common endocrine disorder that affects women of reproductive age and female adolescents. The diagnosis of PCOS is difficult during puberty due to overlapping of the criteria with normal variations of menstruation during this age period. There are insufficient data on the gut microbiome and PCOS and potential mechanisms linking the two. The present systematic review aimed to detect dysbiosis patterns in youth with PCOS, compared with healthy controls. Methods: One hundred seventy-eight studies were identified by a databases search and sixty-eight by a full-text assessment for eligibility; four were included in the systematic review and underwent quality control. Results: The results of the study were controversial in accordance to findings from the literature. A change in gut microbiome α diversity was found in PCOS adolescents, with no significant alterations in β diversity. Almost all studies found Firmicutes, Bacteroidetes, and Actinobacteria in abundance in both groups, with changes in family composition and fluctuations at the phylum level. A statistically significant association between these changes and clinical or biochemical features of the syndrome was described. Conclusions: This systematic review confirmed gut microbiota dysbiosis in youth with PCOS. However, further data are needed to clarify these changes and to build a strategy to prevent the syndrome.

Publisher

MDPI AG

Subject

Pediatrics, Perinatology and Child Health

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