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Journal of Assisted Reproduction and Genetics

Erschienen in:

01.02.2012 | ASSISTED REPRODUCTION TECHNOLOGIES

The dynamics of the vaginal microbiome during infertility therapy with in vitro fertilization-embryo transfer

verfasst von: Richard W. Hyman, Christopher N. Herndon, Hui Jiang, Curtis Palm, Marilyn Fukushima, Denise Bernstein, Kim Chi Vo, Zara Zelenko, Ronald W. Davis, Linda C. Giudice

Erschienen in: Journal of Assisted Reproduction and Genetics | Ausgabe 2/2012

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Abstract

Purpose

To determine the vaginal microbiome in women undergoing IVF-ET and investigate correlations with clinical outcomes.

Methods

Thirty patients had blood drawn for estradiol (E₂) and progesterone (P₄) at four time points during the IVF-ET cycle and at 4–6 weeks of gestation, if pregnant. Vaginal swabs were obtained in different hormonal milieu, and the vaginal microbiome determined by deep sequencing of the 16S ribosomal RNA gene.

Results

The vaginal microbiome underwent a transition during therapy in some but not all patients. Novel bacteria were found in 33% of women tested during the treatment cycle, but not at 6–8 weeks of gestation. Diversity of species varied across different hormonal milieu, and on the day of embryo transfer correlated with outcome (live birth/no live birth). The species diversity index distinguished women who had a live birth from those who did not.

Conclusions

This metagenomics approach has enabled discovery of novel, previously unidentified bacterial species in the human vagina in different hormonal milieu and supports a shift in the vaginal microbiome during IVF-ET therapy using standard protocols. Furthermore, the data suggest that the vaginal microbiome on the day of embryo transfer affects pregnancy outcome.

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Titel: The dynamics of the vaginal microbiome during infertility therapy with in vitro fertilization-embryo transfer
verfasst von: Richard W. Hyman
Christopher N. Herndon
Hui Jiang
Curtis Palm
Marilyn Fukushima
Denise Bernstein
Kim Chi Vo
Zara Zelenko
Ronald W. Davis
Linda C. Giudice
Publikationsdatum: 01.02.2012
Verlag: Springer US
Erschienen in: Journal of Assisted Reproduction and Genetics / Ausgabe 2/2012
Print ISSN: 1058-0468
Elektronische ISSN: 1573-7330
DOI: https://doi.org/10.1007/s10815-011-9694-6

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