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<article article-type="research-article" dtd-version="1.3" 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" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">akusherstvo</journal-id><journal-title-group><journal-title xml:lang="en">Obstetrics, Gynecology and Reproduction</journal-title><trans-title-group xml:lang="ru"><trans-title>Акушерство, Гинекология и Репродукция</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2313-7347</issn><issn pub-type="epub">2500-3194</issn><publisher><publisher-name>IRBIS LLC</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17749/2313-7347.2019.13.4.354-368</article-id><article-id custom-type="elpub" pub-id-type="custom">akusherstvo-603</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>REVIEW ARTICLE</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>НАУЧНЫЙ ОБЗОР</subject></subj-group></article-categories><title-group><article-title>Pathogenesis of chorionic detachment and intrauterine hematomas in early pregnancy: a literature review</article-title><trans-title-group xml:lang="ru"><trans-title>Патогенез возникновения отслойки хориона и внутриматочных гематом на ранних сроках беременности: обзор современных научных данных</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6192-1936</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Султангаджиева</surname><given-names>Х. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Sultangadzhieva</surname><given-names>Kh. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Султангаджиева Хадижат Гасановна – аспирант кафедры акушерства и гинекологии Института здоровья детей</p><p>Россия, 109004 Москва, ул. Земляной Вал, д. 62.</p></bio><bio xml:lang="en"><p>Khadizhat G. Sultangadzhieva – Postgraduate Student, Department of Obstetrics and Gynecology, Institute of Children’s Health</p><p>62 St. Zemlyanoi Val, Moscow 109004, Russia.</p></bio><email xlink:type="simple">sultangadzhieva90@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГАОУ ВО Первый Московский государственный медицинский университет имени И.М. Сеченова Министерства здравоохранения Российской Федерации (Сеченовский Университет)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sechenov University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>16</day><month>01</month><year>2020</year></pub-date><volume>13</volume><issue>4</issue><fpage>354</fpage><lpage>368</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Sultangadzhieva K.G., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Султангаджиева Х.Г.</copyright-holder><copyright-holder xml:lang="en">Sultangadzhieva K.G.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.gynecology.su/jour/article/view/603">https://www.gynecology.su/jour/article/view/603</self-uri><abstract><sec><title>Aim</title><p>Aim: to systematize scientific data on the frequency and pathogenesis of retrochorial and retroroamniotic hematomas in early pregnancy, including the recently published data.</p></sec><sec><title>Materials and methods</title><p>Materials and methods. We used sources from the electronic databases PubMed, Embase, eLibrary and articles in peerreviewed open access journals. The search was conducted using the keywords in Russian and English: retrochorial hematoma, retrochorial hemorrhage, subamniotic hematoma, pregnancy outcomes in subamniotic haematoma, pregnancy outcomes in subchorial haematoma, angiogenesis, embryogenesis, placentogenesis. The analysis included sources from the recent 30 years. We excluded publications on multiple pregnancies, ectopic pregnancy, and other sources that did not focus on the pathogenesis of chorionic detachment.</p></sec><sec><title>Results</title><p>Results. The following factors play a role in the occurrence of chorionic detachment: intrauterine malformations, bacterial/viral infection, chronic endometritis, immunological factors, maternal coagulation disorders (hemorrhagic diathesis, genetic thrombophilia, antiphospholipid syndrome, chronic forms of DIC), severe arterial hypertension, and habitual miscarriages.</p></sec><sec><title>Conclusion</title><p>Conclusion. Knowledge of the pathogenetic mechanisms of chorionic detachment is necessary for a differential diagnosis and subsequent successful preservation of pregnancy.</p></sec></abstract><trans-abstract xml:lang="ru"><sec><title>Цель исследования</title><p>Цель исследования: систематизация научных данных о частоте и патогенетических механизмах возникновения ретрохориальных и ретроамниотических гематом на ранних сроках беременности, включая данные последних лет.</p></sec><sec><title>Материалы и методы</title><p>Материалы и методы. Использованы литературные источники электронных баз данных PubMed, Embase, eLibrary и научные статьи в рецензируемых журналах с открытым доступом; использовали ключевые слова на русском и на английском языках: ретрохориальная гематома, ретрохориальное кровоизлияние, субамниотическая гематома, исходы беременности при субхориальной гематоме, ангиогенез, эмбриогенез, плацентогенез; retrochorial haematoma, retrochorial hemorrhage, subamniotic haematoma, pregnancy outcomes in subchorial haematoma, angiogenesis, embryogenesis, placentogenesis. В анализ включали источники за последние 30 лет. Из анализа исключали публикации, посвященные многоплодной беременности, внематочной беременности; источники, авторы которых не фокусировались на патогенетических основах отслойки хориона.</p></sec><sec><title>Результаты</title><p>Результаты. В возникновении отслойки хориона играют роль следующие факторы: внутриматочные мальформации, бактериально-вирусная инфекция, хронический эндометрит, иммунологические причины, нарушения свертывающей системы крови у матери (геморрагические диатезы, генетическая тромбофилия, антифосфолипидный синдром, хронические формы ДВС-синдрома), выраженная артериальная гипертензия и привычное невынашивание в анамнезе у матери.</p></sec><sec><title>Заключение</title><p>Заключение. Знание патогенетических механизмов отслойки хориона необходимо для дифференцированного подхода к диагностике и последующего успешного сохранения беременности.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>ретрохориальная гематома</kwd><kwd>ретрохориальное кровоизлияние</kwd><kwd>субамниотическая гематома</kwd><kwd>исходы беременности при субхориальной гематоме</kwd><kwd>ангиогенез</kwd><kwd>эмбриогенез</kwd><kwd>плацентогенез</kwd></kwd-group><kwd-group xml:lang="en"><kwd>retrochorial haematoma</kwd><kwd>retrochorial hemorrhage</kwd><kwd>subamniotic haematoma</kwd><kwd>pregnancy outcomes</kwd><kwd>subchorial haematoma</kwd><kwd>angiogenesis</kwd><kwd>embryogenesis</kwd><kwd>placentogenesis</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Elsasser D.A., Ananth C.V., Prasad V., Vintzileos A.M. For the New Jersey-Placental Abruption Study Investigators. 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