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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">248948</article-id><article-id pub-id-type="doi">10.18565/aig.2020.5.174-80</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">THE POSITIVE EFFECT OF PREGNANCY ON OVARIAN ENDOMETRIOSIS: REALITY OR FICTION?</article-title><trans-title-group xml:lang="ru"><trans-title>ПОЛОЖИТЕЛЬНОЕ ВЛИЯНИЕ БЕРЕМЕННОСТИ НА ЭНДОМЕТРИОЗ ЯИЧНИКОВ - РЕАЛЬНОСТЬ ИЛИ ВЫМЫСЕЛ?</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>DUBROVINA</surname><given-names>Svetlana O.</given-names></name><name xml:lang="ru"><surname>ДУБРОВИНА</surname><given-names>Светлана Олеговна</given-names></name></name-alternatives><bio xml:lang="en"><p>MD, professor, the main scientific researcher of Scientific Research Institute of Obstetric and Pediatric</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, главный научный сотрудник научно-исследовательского института акушерства и педиатрии</p></bio><email>s.dubrovina@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>BERLIM</surname><given-names>Yuliya D.</given-names></name><name xml:lang="ru"><surname>БЕРЛИМ</surname><given-names>Юлия Дмитриевна</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD, MD, the Head of Department of the out-patients' clinic</p></bio><bio xml:lang="ru"><p>к.м.н., заведующий консультативно-поликлиническим отделением</p></bio><email>juliaberlim@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>GIMBUT</surname><given-names>Vitaliy S.</given-names></name><name xml:lang="ru"><surname>ГИМБУТ</surname><given-names>Виталий Станиславович</given-names></name></name-alternatives><bio xml:lang="en"><p>PhD, MD, senior scientific researcher of Scientific Research Institute of Obstetrics and Pediatrics</p></bio><bio xml:lang="ru"><p>к.м.н., старший научный сотрудник научно-исследовательского института акушерства и педиатрии</p></bio><email>vgimbut@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>VOVKOCHINA</surname><given-names>Marina A.</given-names></name><name xml:lang="ru"><surname>ВОВКОЧИНА</surname><given-names>Марина Ахмедовна</given-names></name></name-alternatives><bio xml:lang="en"><p>gynecologist obstetrician of Scientific Research Institute of Obstetric and Pediatric</p></bio><bio xml:lang="ru"><p>врач акушер-гинеколог научно-исследовательского института акушерства и педиатрии</p></bio><email>Jordan-85@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>VORONOVA</surname><given-names>Olga V.</given-names></name><name xml:lang="ru"><surname>ВОРОНОВА</surname><given-names>Ольга Владимировна</given-names></name></name-alternatives><bio xml:lang="en"><p>the leader of Department of clinical pathomorphology and cytology</p></bio><bio xml:lang="ru"><p>заведующая отделением клинической патоморфологии и цитологии</p></bio><email>9043401873@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>ALEKSANDRINA</surname><given-names>Anna D.</given-names></name><name xml:lang="ru"><surname>АЛЕКСАНДРИНА</surname><given-names>Анна Дмитриевна</given-names></name></name-alternatives><bio xml:lang="en"><p>gynecologist obstetrician</p></bio><bio xml:lang="ru"><p>врач акушер-гинеколог</p></bio><email>anna221215@inbox.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Rostov State Medical University, Ministry of Health of Russia</institution></aff><aff><institution xml:lang="ru">ФГБОУ ВО «Ростовский государственный медицинский университет» Минздрава России</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">RZhD-Medicine Clinical Hospital</institution></aff><aff><institution xml:lang="ru">ЧУЗ «Клиническая больница "РЖД-Медицина"»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2020-05-15" publication-format="electronic"><day>15</day><month>05</month><year>2020</year></pub-date><issue>5</issue><issue-title xml:lang="en">NO5 (2020)</issue-title><issue-title xml:lang="ru">№5 (2020)</issue-title><fpage>174</fpage><lpage>180</lpage><history><date date-type="received" iso-8601-date="2023-02-18"><day>18</day><month>02</month><year>2023</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2020, Bionika Media</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2020, ООО «Бионика Медиа»</copyright-statement><copyright-year>2020</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/248948">https://journals.eco-vector.com/0300-9092/article/view/248948</self-uri><abstract xml:lang="en"><p>It is generally believed that pregnancy positively affects endometriosis mainly due to suppression of ovulation and bleeding resulting from endometriotic lesions and various alterations associated with pregnancy. Pregnancy is usually recommended as a possible factor to reduce the progression of endometriosis for women with this condition. Nonetheless, endometriosis can develop differently and that there is no evidence that pregnancy can generally reduce the size and number of endometriotic lesions. Expansion of and structural changes in the lesions during pregnancy may be accompanied by decidualization. The results of studying the effect of pregnancy on endometriosis are controversial, whereas pregnancy in women with endometriosis is not always associated with improved symptoms. This paper highlights the progression of endometriosis during pregnancy and subsequent acute complications that require surgery in some cases. Therefore, women with endometriosis who want to get pregnant should not be convinced that pregnancy may be a possible strategy for managing symptoms and reducing disease progression. Conclusion. The results of studying the effect of pregnancy on endometriosis are controversial, whereas pregnancy in women with endometriosis is not always associated with improved symptoms.</p></abstract><trans-abstract xml:lang="ru"><p>В целом считается, что беременность оказывает позитивное влияние на эндометриоз, главным образом за счет подавления овуляции и кровотечений из эндометриоидных поражений и различных изменений, связанных с беременностью. Обычно женщинам с эндометриозом рекомендуют беременность как возможный фактор уменьшения прогрессирования эндометриоза. Тем не менее развитие эндометриоза может быть различным, и нет никаких доказательств того, что беременность может в целом уменьшить размер и количество эндометриоидных поражений. Рост и структурные изменения очагов во время беременности могут сопровождаться децидуализацией. Результаты исследования влияния беременности на эндометриоз противоречивы, а беременность у женщин с эндометриозом не всегда связана с улучшением симптомов. В настоящей статье освещаются прогрессирование эндометриоза во время беременности и последующие острые осложнения, требующие в некоторых случаях хирургического вмешательства. Следовательно, женщин, стремящихся забеременеть на фоне эндометриоза, не следует убеждать, что беременность может быть возможной стратегией для лечения симптомов и уменьшения прогрессирования эндометриоза. Заключение. Результаты исследования влияния беременности на эндометриоз противоречивы, а беременность у женщин с эндометриозом не всегда связана с улучшением симптомов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>endometriosis</kwd><kwd>endometrioid cyst</kwd><kwd>pregnancy</kwd><kwd>dydrogesterone</kwd><kwd>decidualization</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>эндометриоз</kwd><kwd>эндометриоидная киста</kwd><kwd>беременность</kwd><kwd>дидрогестерон</kwd><kwd>децидуализация</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Sampson J.A. The life history of ovarian hematomas (hemorrhagic cysts) of endometrial (Müllerian) type. Am. J. Obstet. Gynecol. 1922; 4: 451-512.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Sampson J.A. Benign and malignant endometrial implants in the peritoneal cavity, and their relation to certain ovarian tumors. Surg. Gynecol. 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