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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">V.F.Snegirev Archives of Obstetrics and Gynecology</journal-id><journal-title-group><journal-title xml:lang="en">V.F.Snegirev Archives of Obstetrics and Gynecology</journal-title><trans-title-group xml:lang="ru"><trans-title>Архив акушерства и гинекологии им. В.Ф. Снегирева</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2313-8726</issn><issn publication-format="electronic">2687-1386</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">703862</article-id><article-id pub-id-type="doi">10.17816/aog703862</article-id><article-id pub-id-type="edn">TKFGRW</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Original study articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Оригинальные исследования</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="zh"><subject>Original study articles</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">Ovarian masses in pregnant women: clinical and morphological characteristics and the importance of ultrasound monitoring</article-title><trans-title-group xml:lang="ru"><trans-title>Объёмные образования яичников у беременных: клинико-морфологические характеристики и значение ультразвукового мониторинга</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>妊娠期卵巢占位性病变：临床-形态学特征及超声监测的意义</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9945-3848</contrib-id><contrib-id contrib-id-type="spin">8073-1817</contrib-id><name-alternatives><name xml:lang="en"><surname>Ignatko</surname><given-names>Irina V.</given-names></name><name xml:lang="ru"><surname>Игнатко</surname><given-names>Ирина Владимировна</given-names></name><name xml:lang="zh"><surname>Ignatko</surname><given-names>Irina V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><email>ignatko_i_v@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-4745-396X</contrib-id><contrib-id contrib-id-type="spin">8242-4714</contrib-id><name-alternatives><name xml:lang="en"><surname>Yanukyan</surname><given-names>Kseniya V.</given-names></name><name xml:lang="ru"><surname>Янукян</surname><given-names>Ксения Владимировна</given-names></name><name xml:lang="zh"><surname>Yanukyan</surname><given-names>Kseniya V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>ks24101@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3768-7822</contrib-id><contrib-id contrib-id-type="spin">7572-4791</contrib-id><name-alternatives><name xml:lang="en"><surname>Pashkov</surname><given-names>Vladimir M.</given-names></name><name xml:lang="ru"><surname>Пашков</surname><given-names>Владимир Михайлович</given-names></name><name xml:lang="zh"><surname>Pashkov</surname><given-names>Vladimir M.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><email>pashkov_v_m@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3302-5533</contrib-id><contrib-id contrib-id-type="spin">6784-4855</contrib-id><name-alternatives><name xml:lang="en"><surname>Lebedev</surname><given-names>Vladimir A.</given-names></name><name xml:lang="ru"><surname>Лебедев</surname><given-names>Владимир Александрович</given-names></name><name xml:lang="zh"><surname>Lebedev</surname><given-names>Vladimir A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><email>lebedev_v_a@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6628-0023</contrib-id><contrib-id contrib-id-type="spin">4946-8849</contrib-id><name-alternatives><name xml:lang="en"><surname>Timokhina</surname><given-names>Elena V.</given-names></name><name xml:lang="ru"><surname>Тимохина</surname><given-names>Елена Владимировна</given-names></name><name xml:lang="zh"><surname>Timokhina</surname><given-names>Elena V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><email>timokhina_i_m@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8332-7073</contrib-id><contrib-id contrib-id-type="spin">6026-9008</contrib-id><name-alternatives><name xml:lang="en"><surname>Belousova</surname><given-names>Vera S.</given-names></name><name xml:lang="ru"><surname>Белоусова</surname><given-names>Вера Сергеевна</given-names></name><name xml:lang="zh"><surname>Belousova</surname><given-names>Vera S.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><bio xml:lang="ru"><p>д-р мед. наук, профессор</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine), Professor</p></bio><email>belousova_v_s@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1156-7726</contrib-id><contrib-id contrib-id-type="spin">9414-1218</contrib-id><name-alternatives><name xml:lang="en"><surname>Bogomazova</surname><given-names>Irina M.</given-names></name><name xml:lang="ru"><surname>Богомазова</surname><given-names>Ирина Михайловна</given-names></name><name xml:lang="zh"><surname>Bogomazova</surname><given-names>Irina M.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><email>bogomazova_i_m@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9634-1541</contrib-id><contrib-id contrib-id-type="spin">9593-7483</contrib-id><name-alternatives><name xml:lang="en"><surname>Pitskhelauri</surname><given-names>Elena G.</given-names></name><name xml:lang="ru"><surname>Пицхелаури</surname><given-names>Елена Германовна</given-names></name><name xml:lang="zh"><surname>Pitskhelauri</surname><given-names>Elena G.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><email>pitskhelauri_e_g@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9649-5383</contrib-id><contrib-id contrib-id-type="spin">7198-1382</contrib-id><name-alternatives><name xml:lang="en"><surname>Kuzmina</surname><given-names>Tatiana E.</given-names></name><name xml:lang="ru"><surname>Кузьмина</surname><given-names>Татьяна Евгеньевна</given-names></name><name xml:lang="zh"><surname>Kuzmina</surname><given-names>Tatiana E.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><email>kuzmina_t_ye@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-9398-9900</contrib-id><contrib-id contrib-id-type="spin">3872-7167</contrib-id><name-alternatives><name xml:lang="en"><surname>Churganova</surname><given-names>Anastasia A.</given-names></name><name xml:lang="ru"><surname>Чурганова</surname><given-names>Анастасия Алексеевна</given-names></name><name xml:lang="zh"><surname>Churganova</surname><given-names>Anastasia A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><email>churganova_a_a@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9661-5338</contrib-id><contrib-id contrib-id-type="spin">1929-5879</contrib-id><name-alternatives><name xml:lang="en"><surname>Fedyunina</surname><given-names>Irina A.</given-names></name><name xml:lang="ru"><surname>Федюнина</surname><given-names>Ирина Александровна</given-names></name><name xml:lang="zh"><surname>Fedyunina</surname><given-names>Irina A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><email>fedyunina_i_a@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4315-0717</contrib-id><contrib-id contrib-id-type="spin">3895-9666</contrib-id><name-alternatives><name xml:lang="en"><surname>Kardanova</surname><given-names>Madina A.</given-names></name><name xml:lang="ru"><surname>Карданова</surname><given-names>Мадина Аслановна</given-names></name><name xml:lang="zh"><surname>Kardanova</surname><given-names>Madina A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><email>kardanova_m_a@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1339-5422</contrib-id><contrib-id contrib-id-type="spin">8891-9490</contrib-id><name-alternatives><name xml:lang="en"><surname>Pesegova</surname><given-names>Svetlana V.</given-names></name><name xml:lang="ru"><surname>Песегова</surname><given-names>Светлана Вячеславовна</given-names></name><name xml:lang="zh"><surname>Pesegova</surname><given-names>Svetlana V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><bio xml:lang="ru"><p>канд. мед. наук, доцент</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine), Associate Professor</p></bio><email>pesegova_s_v@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1102-2737</contrib-id><contrib-id contrib-id-type="spin">6765-3839</contrib-id><name-alternatives><name xml:lang="en"><surname>Samusevich</surname><given-names>Anastasia N.</given-names></name><name xml:lang="ru"><surname>Самусевич</surname><given-names>Анастасия Николаевна</given-names></name><name xml:lang="zh"><surname>Samusevich</surname><given-names>Anastasia N.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>канд. мед. наук</p></bio><bio xml:lang="zh"><p>MD, Cand. Sci. (Medicine)</p></bio><email>samusevich_a_n@staff.sechenov.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Sechenov First Moscow State Medical University (Sechenov University)</institution></aff><aff><institution xml:lang="ru">ФГАОУ ВО Первый МГМУ им. И.М. Сеченова Минздрава России (Сеченовский Университет)</institution></aff><aff><institution xml:lang="zh">Sechenov First Moscow State Medical University (Sechenov University)</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2026-05-06" publication-format="electronic"><day>06</day><month>05</month><year>2026</year></pub-date><pub-date date-type="pub" iso-8601-date="2026-08-11" publication-format="electronic"><day>11</day><month>08</month><year>2026</year></pub-date><volume>13</volume><issue>2</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><issue-title xml:lang="zh"/><fpage>169</fpage><lpage>176</lpage><history><date date-type="received" iso-8601-date="2026-03-10"><day>10</day><month>03</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-03-17"><day>17</day><month>03</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Эко-Вектор</copyright-statement><copyright-statement xml:lang="zh">Copyright ©; 2026, Eco-Vector</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</copyright-holder><copyright-holder xml:lang="zh">Eco-Vector</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2028-08-11"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://eco-vector.com/for_authors.php#07</ali:license_ref></license></permissions><self-uri xlink:href="https://archivog.com/2313-8726/article/view/703862">https://archivog.com/2313-8726/article/view/703862</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Ovarian masses are a common condition in pregnant women, but their timely diagnosis is often challenging due to anatomical and physiological changes associated with uterine and fetal growth.</p> <p><bold>AIM:</bold> To analyze the clinical and morphological features of ovarian masses in pregnant women and to evaluate the diagnostic value of ultrasound at different gestational ages.</p> <p><bold>METHODS:</bold><bold><italic> </italic></bold>The study included 45 pregnant women with ovarian masses who underwent clinical, anamnestic, and ultrasound evaluation. Management strategies, histological findings, and perinatal outcomes were assessed.</p> <p><bold>RESULTS:</bold><bold><italic> </italic></bold>The mean patient age was 30.6 ± 4.3 years, and the mean ovarian mass dimensions were 56.6 ± 28.7 mm × 49.0 ± 24.9 mm. In 62.2% of cases, ovarian masses were detected only after delivery. Histological examination of resected specimens revealed that the most common finding (17.8%) was mature teratoma. Expectant management was adopted in 53.3% of patients, with spontaneous regression in all these cases. All patients had favorable perinatal outcomes.</p> <p><bold>CONCLUSION:</bold> Delayed diagnosis of ovarian masses highlights the need for mandatory adnexal examination as part of the prenatal ultrasound protocol, as well as for improved visualization techniques and increased clinician awareness to optimize management of these patients.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Наличие объёмных образований яичников представляет собой распространённую патологию у беременных, однако их своевременная диагностика нередко затруднена из-за анатомических и физиологических изменений, связанных с ростом матки и плода.</p> <p><bold>Цель исследования.</bold> Проанализировать клинико-морфологические особенности объёмных образований яичников у беременных и оценить диагностическую значимость эхографического исследования на разных сроках гестации.</p> <p><bold>Методы.</bold> В исследование включены 45 беременных с объёмными образованиями яичников, которым проводили клинико-анамнестическое и эхографическое обследование. Оценивали тактику ведения, результаты гистологического исследования и перинатальные исходы.</p> <p><bold>Результаты.</bold> Средний возраст пациенток составил 30,6±4,3 года, средние размеры объёмных образований яичников — 56,6±28,7 на 49,0±24,9 мм. В 62,2% наблюдений объёмные образования яичников обнаружены лишь после родоразрешения. Согласно результатам гистологического исследования удалённого материала, наиболее часто (17,8% наблюдений) объёмные образования яичников представлены зрелой тератомой. У 53,3% пациенток при обнаружении объёмных образований яичников использовалась выжидательная тактика, во всех этих наблюдениях отмечен спонтанный регресс. У всех обследованных пациенток были благоприятные перинатальные исходы.</p> <p><bold>Заключение.</bold> Запоздалая диагностика объёмных образований яичников подчёркивает необходимость включения в протокол пренатального ультразвукового исследования обязательного исследования придатков матки, а также совершенствование методик визуализации и повышение насторожённости специалистов в рамках оптимизации тактики ведения подобных пациенток.</p></trans-abstract><trans-abstract xml:lang="zh"><p>论证。 妊娠期卵巢占位性病变是常见的病理情况，但由于子宫和胎儿生长所致的解剖和生理变化，其及时诊断常面临困难。</p> <p>目的。 分析妊娠期卵巢占位性病变的临床-形态学特征，并评估不同孕周超声检查的诊断价值。</p> <p>方法。 纳入45例合并卵巢占位性病变的孕妇，进行临床-病史及超声检查。评估处理策略、组织学检查结果及围产期结局。</p> <p>结果。 患者平均年龄为30.6±4.3岁，卵巢占位性病变平均大小为56.6±28.7 mm × 49.0±24.9 mm。62.2%的病例中卵巢占位性病变仅在分娩后才被发现。根据切除组织的组织学检查结果，卵巢占位性病变最常见（17.8%）为成熟畸胎瘤。53.3%的患者在发现卵巢占位性病变后采取期待管理策略，所有这些病例均观察到自然消退。所有受检患者围产期结局良好。</p> <p>结论。 卵巢占位性病变的延迟诊断提示，需将子宫附件检查纳入产前超声检查规范，同时改进显像技术并提高专科医师的警觉性，以优化此类患者的处理策略。</p></trans-abstract><kwd-group xml:lang="en"><kwd>ovarian masses</kwd><kwd>mature teratoma</kwd><kwd>watchful waiting</kwd><kwd>ultrasound examination</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>объёмные образования яичников</kwd><kwd>зрелая тератома</kwd><kwd>выжидательная тактика</kwd><kwd>эхографическое исследование</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>卵巢占位性病变</kwd><kwd>成熟畸胎瘤</kwd><kwd>期待管理</kwd><kwd>超声检查</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Kim J, Lim J, Sohn JW, et al. 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