The Impact of the Microbiological Vaginal Swab on the Reproductive Outcome in Infertile Women

Sebastian Findeklee, Lena Urban, Romina‐Marina Sima, Romina-Marina Sima, Simona Lucia Baus, S Baus, Alexander Halfmann, Gudrun Wagenpfeil, Erich‐Franz Solomayer, Erich-Franz Solomayer, Bashar Haj Hamoud
Life (Basel, Switzerland) · 2023 · vol. 13(6) , pp. 1251 · doi:10.3390/life13061251 · PMID:37374032 · W4378229097
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⚙ AI-generated summary by claude@2026-06, 2026-06-08 ⓘ

This study evaluated vaginal swabs from infertile women and found dysbiosis was associated with worse fertility treatment outcomes and endometriosis, though not always statistically significant.

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Abstract

Background: The thesis on which this paper is based intended to investigate whether the result of the microbiological vaginal swab has an influence on the outcome of the fertility treatment. Methods: The microbiological vaginal swabs of patients who received fertility treatment at Saarland University Hospital were evaluated. Depending on the microorganisms detected, the swab result was classified as inconspicuous, intermediate, or conspicuous. The SPSS software was used to determine the correlation between the swab result and the outcome of the fertility treatment. Results: Dysbiosis was associated with a worse outcome of fertility treatment. The pregnancy rate with a conspicuous swab was 8.6%, whereas it was 13.4% with an inconspicuous swab. However, this association was not statistically significant. Furthermore, an association of endometriosis with dysbiosis was found. Endometriosis was more frequent with a conspicuous swab result than with an inconspicuous result (21.1% vs. 17.7%), yet the correlation was not statistically significant. However, the absence of lactobacilli was significantly associated with endometriosis (p = 0.021). The association between endometriosis and a lower pregnancy rate was also statistically significant (p = 0.006). Conclusion: The microbiological vaginal and cervical swabs can be used as predictors for the success of fertility treatments. Further studies are needed to assess the impact of transforming a dysbiotic flora into a eubiotic environment on the success of fertility treatments.

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endometriosis

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