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<article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Obstetrics and Gynecology</journal-id><journal-title-group><journal-title xml:lang="en">Obstetrics and Gynecology</journal-title><trans-title-group xml:lang="ru"><trans-title>Акушерство и гинекология</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0300-9092</issn><issn publication-format="electronic">2412-5679</issn><publisher><publisher-name xml:lang="en">Bionika Media</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">246905</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">BIOCHEMICAL MARKERS OF THREATENED MISCARRIAGE</article-title><trans-title-group xml:lang="ru"><trans-title>БИОХИМИЧЕСКИЕ МАРКЕРЫ УГРОЖАЮЩИХ ПРЕЖДЕВРЕМЕННЫХ РОДОВ</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>KOVALENKO</surname><given-names>A. E</given-names></name><name xml:lang="ru"><surname>КОВАЛЕНКО</surname><given-names>Анна Евгеньевна</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры акушерства и гинекологии</p></bio><email>acromion19847@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>KALININA</surname><given-names>N. N</given-names></name><name xml:lang="ru"><surname>КАЛИНИНА</surname><given-names>Наталья Игоревна</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат биологических наук, доцент кафедры биохимии и молекулярной медицины</p></bio><email>n_i_kalinina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>ALEKSEENKOVA</surname><given-names>M. V</given-names></name><name xml:lang="ru"><surname>АЛЕКСЕЕНКОВА</surname><given-names>Мария Владимировна</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат медицинских наук, ассистент кафедры акушерства и гинекологии</p></bio><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>PANINA</surname><given-names>O. B</given-names></name><name xml:lang="ru"><surname>ПАНИНА</surname><given-names>Ольга Борисовна</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор медицинских наук, профессор кафедры акушерства и гинекологии</p></bio><email>olgapanina@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>SAVELYEVA</surname><given-names>G. M</given-names></name><name xml:lang="ru"><surname>САВЕЛЬЕВА</surname><given-names>Галина Михайловна</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик РАМН, профессор, заведующая кафедрой акушерства и гинекологии</p></bio><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">M.V. Lomonosov Moscow University</institution></aff><aff><institution xml:lang="ru">МГУ им. М.В. Ломоносова</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2013-03-15" publication-format="electronic"><day>15</day><month>03</month><year>2013</year></pub-date><issue>3</issue><issue-title xml:lang="en">NO3 (2013)</issue-title><issue-title xml:lang="ru">№3 (2013)</issue-title><fpage>43</fpage><lpage>47</lpage><history><date date-type="received" iso-8601-date="2023-02-17"><day>17</day><month>02</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2013, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2013, ООО «Бионика Медиа»</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="en">Bionika Media</copyright-holder><copyright-holder xml:lang="ru">ООО «Бионика Медиа»</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/0300-9092/article/view/246905">https://journals.eco-vector.com/0300-9092/article/view/246905</self-uri><abstract xml:lang="en"><p>Objective. To elaborate additional biochemical markers of threatened premature delivery. Subjects and method. The prospective investigation enrolled 52 patients with symptoms of threatened delivery. The diagnostic value of nonphosphorylated insulin-like growth factor-binding protein 1 (IGFBP-1) and interleukin-6 (IL-6) in the cervicovaginal secretion and that of progesterone and estradiol in the saliva was evaluated by enzyme immunoassay. Results. Significant differences were found in IL-6 levels in patients who had given birth prematurely or timely. ROC analysis indicated that the optimal sensitivity and specificity (100.0 and 42.1%, respectively) were observed at an IL-6 level of 66.79 pg/ml. The prognostic value of positive and negative results was 38.9 and 100%, respectively. Examination of IGFBP-1 in the cervical secretion and estradiol and progesterone in the saliva revealed no significant differences in the patients who had given birth prematurely and timely. Conclusion. The cervical secretion IL-6 concentration of less than 66.7 pg/ml allows patients at low risk for premature birth to be identified with a high degree of accuracy.</p></abstract><trans-abstract xml:lang="ru"><p>Цель исследования. Разработка дополнительных биохимических маркеров угрожающих преждевременных родов. Материал и методы. В проспективное исследование включены 52 пациентки с симптомами угрозы преждевременных родов. Изучена диагностическая значимость нефосфорилированного белка-1, связывающего инсулиноподобный фактор роста (ИФРСБ-1) и интерлейкина-6 (ИЛ-6) в цервико-вагинальном секрете, прогестерона и эстриола в слюне методом иммуноферментного анализа. Результаты исследования. Выявлены достоверные различия в уровне ИЛ-6 у пациенток, родивших преждевременно и своевременно. По данным ROC-анализа, оптимальные чувствительность и специфичность (100,0и 42,1% соответственно) отмечаются при уровне ИЛ-6 66,79пг/мл. Прогностическая ценность положительного результата составляет 38,9%, отрицательного результата - 100,0%. При исследовании ИФРСБ-1 в цервикальном секрете, эстриола и прогестерона в слюне не было выявлено достоверных различий у пациенток, родивших преждевременно и своевременно. Заключение. Концентрация ИЛ-6 в цервикальном секрете менее 66,7 пг/мл позволяет с высокой точностью выделить пациенток с низким риском преждевременных родов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>threatened delivery</kwd><kwd>interleukin-6</kwd><kwd>insulin-like growth factor-binding protein 1</kwd><kwd>salivary estradiol and progesterone</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>угроза преждевременных родов</kwd><kwd>интерлейкин-6</kwd><kwd>белок-1</kwd><kwd>связывающий инсулиноподобный фактор роста</kwd><kwd>эстриол</kwd><kwd>прогестерон в слюне</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Berco P., Joubert K. 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