Iliana Alejandra Cortés-Ortíz, Gustavo Acosta-Altamirano, Rafael Nambo-Venegas, Jesús Alejandro Pineda-Migranas, Oscar Giovanni Ríos-Hernández, Eduardo García-Moncada, Alejandra Yareth Bonilla-Cortés, Mónica Sierra-Martínez, Juan Carlos Bravata-Alcántara
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Abstract
Infertility, both primary and secondary, is strongly influenced by microbiological factors, with the vaginal microbiota playing a key role in reproductive health.
Objective: The aim of this study was to characterize the vaginal microbiota of 136 Mexican women diagnosed with infertility-primary (n = 58) and secondary (n = 78)-by evaluating the presence of pathogenic bacterial species and their associations with infertility conditions.
Methods: Samples were obtained through cervical swabs, and microorganism identification was performed using qPCR techniques.
Results: Analysis revealed a positive correlation between increased age and the likelihood of primary infertility, as well as a negative correlation with secondary infertility. Significant differences in microbial composition were also observed between the two infertility groups. Lactobacillus crispatus and Lactobacillus gasseri were dominant in women with primary infertility, in addition to a high prevalence of Gardnerella vaginalis and Fannyhessea vaginae. Additionally, correlations were found between the presence of human papillomavirus (HPV) and sexually transmitted bacteria, as well as Gardnerella vaginalis.
Conclusion: Our findings suggest that the composition of the vaginal microbiota may play a decisive role in infertility, highlighting the need for personalized therapeutic strategies based on microbial profiles.
期刊介绍：
Microorganisms (ISSN 2076-2607) is an international, peer-reviewed open access journal which provides an advanced forum for studies related to prokaryotic and eukaryotic microorganisms, viruses and prions. It publishes reviews, research papers and communications. Our aim is to encourage scientists to publish their experimental and theoretical results in as much detail as possible. There is no restriction on the length of the papers. The full experimental details must be provided so that the results can be reproduced. Electronic files and software regarding the full details of the calculation or experimental procedure, if unable to be published in a normal way, can be deposited as supplementary electronic material.
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