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Fertility factors affect the vaginal microbiome in women of reproductive age.


ABSTRACT: PROBLEM:For women of reproductive age, achieving a successful pregnancy requires both the normal functioning of reproductive endocrine and the health of the reproductive tract environment. We aimed to study how these fertility factors, such as female age, baseline sexual hormone levels, tubal patency, and vaginal pH, affect the composition of vaginal microbiome. METHOD OF STUDY:The 16S rRNA sequencing was carried on vaginal microbiome samples from 85 women of reproductive age without vaginal infections or reproductive endocrine diseases. The detailed correlations between fertility factors and vaginal microbiome were quantified by Spearman's rank tests. A linear discriminant analysis was carried out to explore the effects of fertility factors on the relative abundances of vaginal bacterial species. RESULTS:The vaginal pH, levels of basal E2, LH, and FSH all had significant effects on the distribution of vaginal microbiome. The relative abundances of vaginal bacterial species, including Escherichia coli, Streptococcus agalactiae, and Prevotella intermedia, were significantly different due to the host's state of reproductive endocrine and tubal patency. It was worth noting that women with tubal obstruction, or prolonged menstrual cycle, or antral follicle count >15, or vaginal pH > 4.5 all had a higher abundance of Escherichia coli in vagina. CONCLUSION:The fertility factors associated with the reproductive endocrine and the genital tract environment affected vaginal microbiome in women of reproductive age. The species Escherichia coli, Streptococcus agalactiae, Prevotella intermedia, etc could be used as biomarkers to reflect the pathological state of reproductive endocrine and genital tract.

SUBMITTER: Xu J 

PROVIDER: S-EPMC7078941 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Fertility factors affect the vaginal microbiome in women of reproductive age.

Xu Jieying J   Bian Gaorui G   Zheng Min M   Lu Gang G   Chan Wai-Yee WY   Li Weiping W   Yang Kaiping K   Chen Zi-Jiang ZJ   Du Yanzhi Y  

American journal of reproductive immunology (New York, N.Y. : 1989) 20200121 4


<h4>Problem</h4>For women of reproductive age, achieving a successful pregnancy requires both the normal functioning of reproductive endocrine and the health of the reproductive tract environment. We aimed to study how these fertility factors, such as female age, baseline sexual hormone levels, tubal patency, and vaginal pH, affect the composition of vaginal microbiome.<h4>Method of study</h4>The 16S rRNA sequencing was carried on vaginal microbiome samples from 85 women of reproductive age with  ...[more]

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