CHANGES IN THE VAGINA ECOSYSTEM AND STATE OF LOCAL IMMUNITY IN WOMEN WITH A HISTORY OF MISCARRIAGE ON THE PRECONCEPTIONAL PERIOD
DOI:
https://doi.org/10.11603/24116-4944.2022.1.13249Keywords:
vaginal microbiocenosis, dysbiosis, local immune response, secretory immunoglobulin A, preconceptional periodAbstract
The aim of the study – to investigate changes in the ecosystem of the vagina and assess the state of local immunity in women with a history of miscarriage on the preconception period.
Materials and Methods. 105 women with a history of miscarriage were involved to the study. They were divided into two groups: group 1 – 40 patients with miscarriage of infectious genesis, group 2 – 45 women with miscarriage on the background of endocrine dysfunction of the reproductive organs. The control group consisted of 20 practically healthy women. All patients underwent anamnestic data collection, gynecological examination, bacteriological and bacterioscopic examination, identification of pathogens in the vagina by the polymerase chain reaction method. The study of the local immune status was based on the assessment of the level of secretory immunoglobulin A (sIg A) by the enzyme immunoassay method. Statistical analysis was carried out using a package based on Microsoft Excel and the "Statistica 12.0" program.
Results and Discussion. In the study, it was established that in women of group 1 on the preconceptional period, the ecosystem of the vagina was characterized by the presence of a significant amount of opportunistic and pathogenic microflora. More than half of patients had dysbiotic disorders with the development of a clinical picture of vaginitis or bacterial vaginosis with a decrease of lactobacilli concentration. In women of group 1, the average sIg A level was 16.26 % lower compared to the control group (p˂0.01). In women of group 2, the sIg A concentration, this indicator was 3.59-fold lower compared to the control group (p˂0.001) and 3.00-fold lower than in the patients of group 1 (p˂0.001), which indicates a significant degree of reduction local immunity.
Conclusions. The characteristic of microbiocenosis features in women with a history of miscarriage have revealed polyinfection with opportunistic and pathogenic flora on the preconceptional period. A statistically significant decrease in the level of secretory Ig A was noted in women with miscarriages of both infectious and endocrine genesis groups with a worse picture in the local immune response system on the background of dyshormonal disorders.
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