Association of the key immunological and hemodynamic determinants with cervix ripening in pregnant women.
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Department of Obstetrics and Gynecology №1, Kharkiv National Medical University, Ukraine
Submission date: 2023-07-27
Final revision date: 2023-12-11
Acceptance date: 2024-01-24
Publication date: 2024-03-30
Corresponding author
Olga Mertsalova   

Department of Obstetrics and Gynecology №1, Kharkiv National Medical University, 4 Nauky Avenue, 61022, Kharkiv, Ukraine
Wiadomości Lekarskie 2024;77(2):201-207
To investigate a correlation between cervical ripening, the immunological features and the hemodynamic characteristics of the cervix during the preparation for vaginal labor.

Material and methods:
We examined 75 pregnant women at different gestational age. General clinical and immunological studies were conducted in order to check serum concentration of cytokines IL-6, IL-1β, and TNF-α. Ultrasound and Doppler study were used to determine resistance index and systolic-diastolic ratio of blood flow in the common uterine artery as well as the descending and ascending parts and cervical stromal arteries.

Pregnant women with high cervical ripening score had high concentrations of the major proinflammatory cytokines (IL-1β, IL-6, and TNF-α). Analysis of the of the cervical blood flow indicators of the studied groups showed significant differences in the indices of vascular resistance in the vessels that feed the cervix. Our data showed a significant correlation between the cervix ripening and both the serum levels of the studied cytokines and the level of peripheral vascular resistance indices in the common uterine arteries of the cervix, and the blood flow indices in the cervical stromal vessels.

Our study shows that the process of preparing the woman’s body for labor is associated with immunological adjustment and increased hemodynamics of the cervix. We report that cervical ripening is associated with the immunological components and hemodynamic parameters of the cervix at late-stage pregnancy. Measuring cervix ripening and the accompanied changes in cytokine levels and hemodynamic parameters will form a more accurate assessment of birth preparedness and labor complications.

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