Abstract
Relevance. Progesterone is the only hormone in the body, the main function of which is the development and maintenance of pregnancy, while its other properties are duplicated by other hormones. The hormone deficiency is part of the general mechanism of spontaneous abortion, and not its cause [1].
 The aim of the study was to establish a connection between the content of the level of progesterone and its metabolites in the blood of pregnant women and the developmental disorders of pregnancy in order to determine the possibility of laboratory confirmation of pathology.
 Materials and methods. The study included 31 patients with pathological pregnancy, hospitalized in the hospital, in the first and second trimesters of gestation and 34 women with physiological pregnancy in the first trimester of gestation. Pregnant women with infertility in history, severe somatic pathology, acute infectious diseases, oncological processes, with endocrine disorders, with malformations of the genital organs, endometriosis, pregnant women taking gestagens or other hormonal medications before entering the study are excluded from the study. Each patient hospitalized in a hospital and women with a physiological pregnancy had, in addition to a general clinical examination, performed a blood serum test for hormones (progesterone, cortisol, DHEA-C, 17-OH, estradiol) and ultrasound (VOLUSON 730, GENERAL ELECTRIC in 2007) using transvaginal 4-8 MHz and transabdominal 2–5 MHz sensor. Progesterone, cortisol, estradiol was determined by enzyme-linked fluorescence analysis using reagents from bioMerieux (France) using a VIDAS device from bioMerieux, France (2012). The analysis is based on a combination of a two-stage enzyme-linked immunoassay (sandwich method) and a fluorescent determination of the reaction products. The DHEA-C and 17-OH study was carried out using the ELISA method on equipment: the Freedom EVO75 laboratory automated laboratory for laboratory diagnostics produced in Switzerland (2008) using ANALYSIS MED reagents, Belarus. The statistical processing of the results of the study was carried out using the application statistical packages Statistica 6.0.
 Results. It was found that with the termination of pregnancy in both I and II trimesters, the level of progesterone and estradiol statistically significantly decreased. The content of DHEA-S and 17-OH progesterone varied depending on the gestation period. The concentration of cortisol also decreased, but it was not statistically significant. It was also found that after the death of the embryo and spontaneous abortion, functional fragments of the fetal egg remain in the uterine cavity.
 Conclusion. The priority of hormones in the development of pregnancy in the I and II trimester is different. If in the first trimester the most dependent on the gestation period are progesterone, estradiol, DHEA-C, then in the II trimester — progesterone, estradiol, 17-progesterone. And also that cortisol during pregnancy is predominantly synthesized outside the fruiting and amniotic complex, which explains the absence of its statistically significant changes in the unfavorable termination of pregnancy in both I and II trimester of gestation.
Highlights
Progesterone is the only hormone in the body, the main function of which is the development and maintenance of pregnancy, while its other properties are duplicated by other hormones
The aim of the study was to establish a connection between the content of the level of progesterone and its metabolites in the blood of pregnant women and the developmental disorders of pregnancy in order to determine the possibility of laboratory confirmation of pathology
Each patient hospitalized in a hospital and women with a physiological pregnancy had, in addition to a general clinical examination, performed a blood serum test for hormones and ultrasound (VOLUSON 730, GENERAL ELECTRIC in 2007) using transvaginal 4-8 MHz and transabdominal 2–5 MHz sensor
Summary
Белорусская медицинская академия последипломного образования, кафедра акушерства и гинекологии, Республика Беларусь, г. Содержание прогестерона в крови беременных в I и во II триместрах гестации при неблагоприятном завершении беременности // Журнал акушерства и женских болезней. Цель исследования заключалась в установлении связи между содержанием уровня прогестерона и его метаболитов в крови беременных женщин и нарушениями развития беременности для определения возможности лабораторного подтверждения патологии. Кортизол во время беременности преимущественно синтезируется за пределами плодоамниотического комплекса, что объясняет отсутствие его статистически значимых изменений при неблагоприятном завершении беременности как в I, так и во II триместре гестации. Цель исследования — установить связь содержания прогестерона и его метаболитов в крови беременных женщин с прерыванием беременности в I и во II триместрах гестации путем сравнения результатов гормональных исследований в норме и при аборте
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