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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">Aspirantskiy Vestnik Povolzhiya</journal-id><journal-title-group><journal-title xml:lang="en">Aspirantskiy Vestnik Povolzhiya</journal-title><trans-title-group xml:lang="ru"><trans-title>Аспирантский вестник Поволжья</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2072-2354</issn><issn publication-format="electronic">2410-3764</issn><publisher><publisher-name xml:lang="en">Samara State Medical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">310100</article-id><article-id pub-id-type="doi">10.35693/AVP677518</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>OBSTETRICS AND GYNECOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>АКУШЕРСТВО И ГИНЕКОЛОГИЯ</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">Features of correction of isthmic-cervical insufficiency depending on the clinical situation</article-title><trans-title-group xml:lang="ru"><trans-title>Особенности коррекции истмико-цервикальной недостаточности в зависимости от клинической ситуации</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-5879-418X</contrib-id><name-alternatives><name xml:lang="en"><surname>Kaganova</surname><given-names>Mariya A.</given-names></name><name xml:lang="ru"><surname>Каганова</surname><given-names>Мария Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Associate Professor of the Department of Obstetrics and Gynecology of the Institute of Postgraduate Education</p></bio><bio xml:lang="ru"><p>доктор мед. наук, профессор кафедры акушерства и гинекологии ИПО</p></bio><email>mkaganova@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3390-8034</contrib-id><name-alternatives><name xml:lang="en"><surname>Spiridonova</surname><given-names>Natalia V.</given-names></name><name xml:lang="ru"><surname>Спиридонова</surname><given-names>Наталья Владимировна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Med. Sci., Professor, Head of the Department of Obstetrics and Gynecology, Institute of Vocational Education</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, заведующая кафедрой акушерства и гинекологии ИПО</p></bio><email>nvspiridonova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9747-9588</contrib-id><name-alternatives><name xml:lang="en"><surname>Tezikova</surname><given-names>Tatyana A.</given-names></name><name xml:lang="ru"><surname>Тезикова</surname><given-names>Татьяна Аркадьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Deputy Chief Physician for Obstetrics and Gynecology Perinatal Center</p></bio><bio xml:lang="ru"><p>заместитель главного врача по акушерству и гинекологии</p></bio><email>tezikova@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Agafonova</surname><given-names>Larisa M.</given-names></name><name xml:lang="ru"><surname>Агафонова</surname><given-names>Лариса Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Head of the Department of Obstetric Pathology of Pregnancy N1 Perinatal Center</p></bio><bio xml:lang="ru"><p>заведующая отделением акушерской патологии беременности</p></bio><email>Lara.agafonova.19@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Pirogova</surname><given-names>Olga V.</given-names></name><name xml:lang="ru"><surname>Пирогова</surname><given-names>Ольга Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>obstetrician-gynecologist of the Department of Obstetric Pathology of Pregnancy</p></bio><bio xml:lang="ru"><p>врач акушер-гинеколог отделения акушерской патологии беременности</p></bio><email>glav@sokb.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0009-1805-9653</contrib-id><name-alternatives><name xml:lang="en"><surname>Grinkevich</surname><given-names>Alesya A.</given-names></name><name xml:lang="ru"><surname>Гринкевич</surname><given-names>Алеся Андреевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>resident of the Department of Obstetrics and Gynecology of the Institute of Postgraduate Education</p></bio><bio xml:lang="ru"><p>ординатор кафедры акушерства и гинекологии ИПО</p></bio><email>grinkevich2000@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Samara State Medical University</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Самарский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Samara Region Clinical Hospital named after V.D. Seredavin</institution></aff><aff><institution xml:lang="ru">ГБУЗ «Самарская областная клиническая больница имени В.Д. Середавина»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-06-24" publication-format="electronic"><day>24</day><month>06</month><year>2025</year></pub-date><volume>25</volume><issue>2</issue><fpage>4</fpage><lpage>8</lpage><history><date date-type="received" iso-8601-date="2025-09-19"><day>19</day><month>09</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Kaganova M.A., Spiridonova N.V., Tezikova T.A., Agafonova L.M., Pirogova O.V., Grinkevich A.A.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Каганова М.А., Спиридонова Н.В., Тезикова Т.А., Агафонова Л.М., Пирогова О.В., Гринкевич А.А.</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Kaganova M.A., Spiridonova N.V., Tezikova T.A., Agafonova L.M., Pirogova O.V., Grinkevich A.A.</copyright-holder><copyright-holder xml:lang="ru">Каганова М.А., Спиридонова Н.В., Тезикова Т.А., Агафонова Л.М., Пирогова О.В., Гринкевич А.А.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rcsi.science/2410-3764/article/view/310100">https://journals.rcsi.science/2410-3764/article/view/310100</self-uri><abstract xml:lang="en"><p>One of the main causes of miscarriage is cervical insufficiency, which achieved 40% of pregnancy losses in the second trimester; in the third trimester of pregnancy, cervical insufficiency occurs in every third case of premature birth, which leads to a colossal increase in perinatal losses.</p> <p>The article presents the following clinical case: patient G., 24 years old, primigravida, at 23.5 weeks of pregnancy came to the emergency room of the Perinatal Center of Samara Regional Clinical Hospital named after V.D. Seredavin (level 3) with complaints of dull dragging pain in the lower abdomen. At 21-22 weeks the patient was already diagnosed with cervical insufficiency, an obstetric pessary was installed and therapy with micronized progesterone was started. During the gynecological examination, dilation of the cervical canal to 4 cm with prolapse of the fetal bladder was observed. The obstetric pessary was removed following resolution of threatened preterm labor symptoms with antibiotic therapy. A therapeutic McDonald cerclage was subsequently placed, and the patient was discharged. The pregnancy was prolonged to the full term. At 39 weeks, a full-term spontaneous labor occurred without complications, a boy was born weighing 3400 g, 53 cm, with 8-9 points on the Apgar scale.</p></abstract><trans-abstract xml:lang="ru"><p>Одной из основных причин, приводящих к невынашиванию беременности, является истмико-цервикальная недостаточность (ИЦН), на которую приходится до 40% потерь беременности во II триместре, а в III триместре беременности ИЦН встречается в каждом третьем случае преждевременных родов, что приводит к колоссальному росту перинатальных потерь.</p> <p>В статье представлен следующий клинический случай: пациентка Г., 24 лет, первобеременная, в сроке беременности 23,5 недели обратилась в приемный покой перинатального центра ГБУЗ «СОКБ им. В. Д. Середавина» (3 уровень) с жалобами на тянущие боли внизу живота. В 21-22 неделю пациентке уже был выставлен диагноз ИЦН, установлен акушерский разгружающий пессарий и начата терапия микронизированным прогестероном. При гинекологическом осмотре наблюдалось расширение цервикального канала до 4 см с пролабированием плодного пузыря. Акушерский пессарий удален, после купирования симптомов угрожающих преждевременных родов на фоне антибактериальной терапии выполнено наложение терапевтического серкляжа по McDonald, пациентка выписана. Беременность удалось пролонгировать до доношенного срока беременности. В 39 недель произошли срочные самопроизвольные роды без осложнений, родился мальчик 3400 г, 53 см, 8-9 баллов по шкале Апгар.</p></trans-abstract><kwd-group xml:lang="en"><kwd>cervical insufficiency</kwd><kwd>obstetric pessary</kwd><kwd>cerclage</kwd><kwd>miscarriage</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>истмико-цервикальная недостаточность</kwd><kwd>акушерский пессарий</kwd><kwd>серкляж</kwd><kwd>невынашивание беременности</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ghosh R, Gupta A. 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