{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T06:32:40Z","timestamp":1787725960066,"version":"build-2784847793"},"reference-count":83,"publisher":"MDPI AG","issue":"4","license":[{"start":{"date-parts":[[2024,2,12]],"date-time":"2024-02-12T00:00:00Z","timestamp":1707696000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Diagnostics"],"abstract":"<jats:p>Introduction: Polycystic ovary syndrome (PCOS) is a multifactorial, heterogeneous endocrine and metabolic disorder in women. Due to its association with the menstrual cycle and fertility disorders, the importance of this problem is emphasized especially in patients of reproductive age. Based on a number of analyses, the effect of PCOS on altering the diversity of the microbiome (e.g., intestinal or vaginal) is suggested. Vaginal dysbiosis can result in BV (bacterial vaginosis). The purpose of this study was to assess the prevalence of BV in patients with PCOS, as well as to determine the most reliable diagnostic factors. Material and Methods: Retrospective analysis of microbiological findings (2018\u20132022) of PCOS patients (n = 594) of reproductive age. The present analysis focused on the results of patients with PCOS (n = 380) and vaginal discharge with pH \u2265 4.4 and suspected BV. Biological material was a vaginal swab\/vaginal secretion. The most commonly used routine methods for assessing BV were the Amsel analysis and the Nugent scoring system. Results: Patients with PCOS and vaginal fluid pH \u2265 4.4 and suspected BV (n = 380) accounted for 64% of all PCOS patients (n = 594). The relationship between pH and detection of \u201cclue cells\u201d showed significant dependency and increased with leukocytes. The pH measurement also showed dependency on high G. vaginalis counts. In addition, the elimination of lactic acid bacteria (LAB) in vaginal secretions was associated with an increase in the number of leukocytes with increasing pH values. A marked increase in G. vaginalis was found in more than half (56.8%) of PCOS women (n = 380) with suspected BV. No dependency was observed between the absence of LAB and the diagnosis of BV on a positive G. vaginalis culture. Of the n = 380 patients with PCOS, 191 (50%) had a Nugent score \u2265 7 positive for BV. No dependency was observed between the number of patients with Candida sp. in vaginal secretions and pH, BV (with clue cells), or elevated leukocyte levels. The LRM was adjusted and the statistical model represented by the following formula was obtained: log(p\/(1 \u2212 p)) = \u22121.18 + 1.24 \u00d7 Group4.6 + 1.08 \u00d7 Group4.8 + 1.66 \u00d7 Group5.4. Conclusions: Based on the present analysis, BV appears to be more common in patients with PCOS than in the non-PCOS population. Chronic inflammation in PCOS patients and abnormalities in the vaginal microbiome may predispose to the development of BV. In women with PCOS, BV may be one of the unrecognized causes of infertility or complications of pregnancy. Despite the potential link between PCOS and the development of BV, the extent to which this syndrome contributes to vaginal dysbiosis and reproductive complications requires further study.<\/jats:p>","DOI":"10.3390\/diagnostics14040404","type":"journal-article","created":{"date-parts":[[2024,2,12]],"date-time":"2024-02-12T11:30:12Z","timestamp":1707737412000},"page":"404","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Bacterial Vaginosis (BV) and Vaginal Microbiome Disorders in Women Suffering from Polycystic Ovary Syndrome (PCOS)"],"prefix":"10.3390","volume":"14","author":[{"given":"Izabela","family":"Chudzicka-Struga\u0142a","sequence":"first","affiliation":[{"name":"Department of Medical Microbiology, Poznan University of Medical Sciences, Rokietnicka 10, 60-806 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iwona","family":"Go\u0142\u0119biewska","sequence":"additional","affiliation":[{"name":"Poznan\u2019s Academy of Medicine, Bulgarska 55, 60-321 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Beata","family":"Banaszewska","sequence":"additional","affiliation":[{"name":"Department of Laboratory Diagnostics, Poznan University of Medical Sciences, Szamarzewskiego 82\/84, 60-569 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mateusz","family":"Trzci\u0144ski","sequence":"additional","affiliation":[{"name":"Department of Infertility Diagnostics and Treatment, Poznan University of Medical Sciences, 61-701 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Grzegorz","family":"Brudecki","sequence":"additional","affiliation":[{"name":"Group 42 (Healthcare), Masdar City, Abu Dhabi P.O. Box 112778, United Arab Emirates"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wael","family":"Elamin","sequence":"additional","affiliation":[{"name":"Group 42 (Healthcare), Masdar City, Abu Dhabi P.O. Box 112778, United Arab Emirates"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Barbara","family":"Zwo\u017adziak","sequence":"additional","affiliation":[{"name":"Department of Medical Microbiology, Poznan University of Medical Sciences, Rokietnicka 10, 60-806 Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,2,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"270","DOI":"10.1038\/nrendo.2018.24","article-title":"Polycystic ovary syndrome: Definition, aetiology, diagnosis and treatment","volume":"14","year":"2018","journal-title":"Nat. Rev. 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