Changes in the microbiota of the genital tract and intestines in patients with adenomyosis and infertility

In: Medical Research Journal · 2022 · vol. 7(3) , pp. 197–202 · doi:10.5603/mrj.a2022.0034 · W4289780992
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This study found that women with adenomyosis and infertility exhibit a pathological genital tract microbiota with increased pathogenic bacteria and decreased lactobacilli, and a disturbed intestinal microbiota with potentially pathogenic microorganisms.

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Abstract

Introduction: Inflammation of the genital tract caused by a bacterial infection can affect the frequency of occurrence of hyperproliferative formations of the uterus, which in turn can lead to infertility. Changes in the microbiota of the vagina and intestines contribute to the formation of critical problems for women’s reproductive health. Material and methods: Microbiota composition was studied using microscopic and cultural bacteriological methods in genitalia and intestines in 64 women with adenomyosis and infertility and 30 healthy women. Results: The obtained results indicate that the microbiota of the genital tract in patients with adenomyosis and infertility is characterized by a different frequency of pathological manifestations (bacterial vaginosis, vaginitis, intermediate type of microbiocenosis) and excessive proliferation of vaginosis-associated microorganisms. Associative forms of bacterial contamination of the genital tract are registered in sick women. The formation of pathological intestinal microbiota in patients is largely due to a violation of the ratio between potentially pathogenic and protective species of bacteria. Conclusions: In women with adenomyosis and infertility, a pathological microbiota of the genital tract is formed, which is characterized by an increase in the structure of vaginal bacteria of representatives of pathogenic aerobic and vaginosis-associated microorganisms, a deficiency of lactobacilli. Intestinal microbiota in patients is characterized by the formation of multicomponent associations, which with a significant frequency contain conditionally pathogenic microorganisms.
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Abstract

Introduction: Inflammation of the genital tract caused by a bacterial infection can affect the frequency of occurrence of hyperproliferative formations of the uterus, which in turn can lead to infertility. Changes in the microbiota of the vagina and intestines contribute to the formation of critical problems for women’s reproductive health.

Material and methods

Microbiota composition was studied using microscopic and cultural bacteriological methods in genitalia and intestines in 64 women with adenomyosis and infertility and 30 healthy women.

Results

The obtained results indicate that the microbiota of the genital tract in patients with adenomyosis and infertility is characterized by a different frequency of pathological manifestations (bacterial vaginosis, vaginitis, intermediate type of microbiocenosis) and excessive proliferation of vaginosis-associated microorganisms. Associative forms of bacterial contamination of the genital tract are registered in sick women. The formation of pathological intestinal microbiota in patients is largely due to a violation of the ratio between potentially pathogenic and protective species of bacteria.

Conclusions

In women with adenomyosis and infertility, a pathological microbiota of the genital tract is formed, which is characterized by an increase in the structure of vaginal bacteria of representatives of pathogenic aerobic and vaginosis-associated microorganisms, a deficiency of lactobacilli. Intestinal microbiota in patients is characterized by the formation of multicomponent associations, which with a significant frequency contain conditionally pathogenic microorganisms.

Keywords

vaginal microbiotaintestinal microbiotaadenomyosisinfertility

References

- Gorban N. Modern view on the problem of hyperproliferative processes in the endometrium. Bulletin of Scientific Research . 2018 ; 90 (1): 34-44. Bull Sci Res. 2018; 90(1): 34–40. - Vovk IB, Zadorozhnaya TD, Gorban NE, et al. Clinical-immunohistochemical characteristics of atypical endometrial hyperplasia in women of reproductive age. Medicni perspektivi (Medical perspectives). 2020; 25(1): 134–141. - Younes G, Tulandi T. Effects of adenomyosis on in vitro fertilization treatment outcomes: a meta-analysis. Fertil Steril. 2017; 108(3): 483–490.e3. - Bruun MR, Arendt LH, Forman A, et al. Endometriosis and adenomyosis are associated with increased risk of preterm delivery and a small-for-gestational-age child: a systematic review and meta-analysis. Acta Obstet Gynecol Scand. 2018; 97(9): 1073–1090. - Horton J, Sterrenburg M, Lane S, et al. Reproductive, obstetric, and perinatal outcomes of women with adenomyosis and endometriosis : a systematic review and meta-analysis. Hum Reprod Update . 2019;25(5):592-632, doi:10. Hum Reprod Update. 2019; 25(5): 592–632. - Vannuccini S, Tosti C, Carmona F, et al. Pathogenesis of adenomyosis: an update on molecular mechanisms. Reprod Biomed Online. 2017; 35(5): 592–601. - Guo SW. The pathogenesis of adenomyosis vis-à-vis endometriosis. J Clin Med. 2020; 9(2). - Kaur H, Merchant M, Haque MM, et al. Crosstalk between female gonadal hormones and vaginal microbiota across various phases of women's gynecological lifecycle. Front Microbiol. 2020; 11: 551. - Koyyada A, Orsu P. Role of hypothyroidism and associated pathways in pregnancy and infertility: clinical insights. Tzu Chi Med J. 2020; 32(4): 312–317. - Tao X, Ge SQ, Chen L, et al. Relationships between female infertility and female genital infections and pelvic inflammatory disease: a population-based nested controlled study. Clinics (Sao Paulo). 2018; 73: e364. - Jennings LK, Krywko DM. Pelvic Inflammatory Disease. 2022 Mar 18. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2022 Jan–, indexed in Pubmed: 29763134. - Crha I, Ventruba P, Žáková J, et al. Uterine microbiome and endometrial receptivity. Ceska Gynekol. 2019; 84(1): 49–54. - Moreno I, Simon C. Relevance of assessing the uterine microbiota in infertility. Fertil Steril. 2018; 110(3): 337–343. - Benner M, Ferwerda G, Joosten I, et al. How uterine microbiota might be responsible for a receptive, fertile endometrium. Hum Reprod Update. 2018; 24(4): 393–415. - Amabebe E, Anumba DOC. Psychosocial stress, cortisol levels, and maintenance of vaginal health. Front Endocrinol (Lausanne). 2018; 9: 568. - Kunaseth J, Waiyaput W, Chanchaem P, et al. Vaginal microbiome of women with adenomyosis: a case-control study. PLoS One. 2022; 17(2): e0263283. - Schellenberg JJ, Patterson MoH, Hill JE. Gardnerella vaginalis diversity and ecology in relation to vaginal symptoms. Res Microbiol. 2017; 168(9-10): 837–844. - Janulaitiene M, Gegzna V, Baranauskiene L, et al. Phenotypic characterization of Gardnerella vaginalis subgroups suggests differences in their virulence potential. PLoS One. 2018; 13(7): e0200625. - Rinninella E, Raoul P, Cintoni M, et al. What is the healthy gut microbiota composition? A changing ecosystem across age, environment, diet, and diseases. Microorganisms. 2019; 7(1). - Koh A, Bäckhed F. From association to causality: the role of the gut microbiota and its functional products on host metabolism. Mol Cell. 2020; 78(4): 584–596. - Amabebe E, Robert FO, Agbalalah T, et al. Microbial dysbiosis-induced obesity: role of gut microbiota in homoeostasis of energy metabolism. Br J Nutr. 2020; 123(10): 1127–1137. - Fan Y, Pedersen O. Gut microbiota in human metabolic health and disease. Nat Rev Microbiol. 2021; 19(1): 55–71. - Molchanov OL, Kira EF. Microecosystem of the vagina. Features of normal functioning. Obstetrics and Gynaecology of Saint Petersburg. 2018; 1: 65–68. - Amabebe E, Anumba DOC. The vaginal microenvironment: the physiologic role of lactobacilli. Front Med (Lausanne). 2018; 5: 181. - Lev-Sagie A, Goldman-Wohl D, Cohen Y, et al. Vaginal microbiome transplantation in women with intractable bacterial vaginosis. Nat Med. 2019; 25(10): 1500–1504. - Vovk IB, Kornatska AG, Lisyana TO, et al. Features of aerobic and anaerobic microflora in women with hyperproliferative diseases of the uterus and endometrium. Women's Health. 2016 ; 108 (2): 102-6. Women's Health. 2016; 108(2): 102–106. - Amabebe E, Anumba DOC. Female gut and genital tract microbiota-induced crosstalk and differential effects of short-chain fatty acids on immune sequelae. Front Immunol. 2020; 11: 2184. - Reid G. Cervicovaginal microbiomes-threats and possibilities. Trends Endocrinol Metab. 2016; 27(7): 446–454. - Svensson A, Brunkwall L, Roth B, et al. Associations between endometriosis and gut microbiota. Reprod Sci. 2021; 28(8): 2367–2377. - Gilbert JA, Blaser MJ, Caporaso JG, et al. Current understanding of the human microbiome. Nat Med. 2018; 24(4): 392–400.

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