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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">703511</article-id><article-id pub-id-type="doi">10.17816/aog703511</article-id><article-id pub-id-type="edn">VSWTHM</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">The efficacy of cyclic and prolonged cyclic regimens of dydrogesterone for recurrence prevention of abnormal uterine bleeding in the reproductive period</article-title><trans-title-group xml:lang="ru"><trans-title>Эффективность циклического и пролонгированного циклического режимов применения дидрогестерона в профилактике рецидивов аномальных маточных кровотечений в репродуктивном периоде</trans-title></trans-title-group><trans-title-group xml:lang="zh"><trans-title>地屈孕酮周期性方案与延长周期性方案在预防育龄期异常子宫出血复发中的疗效</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-2353-123X</contrib-id><contrib-id contrib-id-type="spin">9407-9014</contrib-id><name-alternatives><name xml:lang="en"><surname>Ozolinya</surname><given-names>Lyudmila A.</given-names></name><name xml:lang="ru"><surname>Озолиня</surname><given-names>Людмила Анатольевна</given-names></name><name xml:lang="zh"><surname>Ozolinya</surname><given-names>Lyudmila A.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Dr. Sci. (Medicine)</p></bio><bio xml:lang="ru"><p>д-р мед. наук</p></bio><bio xml:lang="zh"><p>MD, Dr. Sci. (Medicine)</p></bio><email>ozolinya@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4841-2496</contrib-id><contrib-id contrib-id-type="spin">5475-1763</contrib-id><name-alternatives><name xml:lang="en"><surname>Argun</surname><given-names>Madina Z.</given-names></name><name xml:lang="ru"><surname>Аргун</surname><given-names>Мадина Зурабовна</given-names></name><name xml:lang="zh"><surname>Argun</surname><given-names>Madina Z.</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>www2104@list.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-4629-9074</contrib-id><contrib-id contrib-id-type="spin">5519-2836</contrib-id><name-alternatives><name xml:lang="en"><surname>Overko</surname><given-names>Alexey V.</given-names></name><name xml:lang="ru"><surname>Оверко</surname><given-names>Алексей Вячеславович</given-names></name><name xml:lang="zh"><surname>Overko</surname><given-names>Alexey V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>leha.overko@yandex.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-1554-3633</contrib-id><contrib-id contrib-id-type="spin">7823-2660</contrib-id><name-alternatives><name xml:lang="en"><surname>Khlynova</surname><given-names>Svetlana A.</given-names></name><name xml:lang="ru"><surname>Хлынова</surname><given-names>Светлана Анатольевна</given-names></name><name xml:lang="zh"><surname>Khlynova</surname><given-names>Svetlana 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>doc-khlinova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7244-4944</contrib-id><contrib-id contrib-id-type="spin">3157-3682</contrib-id><name-alternatives><name xml:lang="en"><surname>Savchenko</surname><given-names>Tatyana N.</given-names></name><name xml:lang="ru"><surname>Савченко</surname><given-names>Татьяна Николаевна</given-names></name><name xml:lang="zh"><surname>Savchenko</surname><given-names>Tatyana N.</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>12111944t@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0657-7655</contrib-id><contrib-id contrib-id-type="spin">9016-5566</contrib-id><name-alternatives><name xml:lang="en"><surname>Nasyrova</surname><given-names>Nailya I.</given-names></name><name xml:lang="ru"><surname>Насырова</surname><given-names>Наиля  Ильдаровна</given-names></name><name xml:lang="zh"><surname>Nasyrova</surname><given-names>Nailya I.</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>ni_nasyrova@mail.ru</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0000-6770-9768</contrib-id><contrib-id contrib-id-type="spin">9181-1160</contrib-id><name-alternatives><name xml:lang="en"><surname>Demchenko</surname><given-names>Elizaveta V.</given-names></name><name xml:lang="ru"><surname>Демченко</surname><given-names>Елизавета Валерьевна</given-names></name><name xml:lang="zh"><surname>Demchenko</surname><given-names>Elizaveta V.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>liza@cpat.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Russian National Research Medical University n.a. N.I. Pirogov</institution></aff><aff><institution xml:lang="ru">Российский национальный исследовательский медицинский университет им. Н.И. Пирогова</institution></aff><aff><institution xml:lang="zh">Russian National Research Medical University n.a. N.I. Pirogov</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Central Clinical Hospital of Civil Aviation</institution></aff><aff><institution xml:lang="ru">Центральная клиническая больница гражданской авиации</institution></aff><aff><institution xml:lang="zh">Central Clinical Hospital of Civil Aviation</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2026-05-13" publication-format="electronic"><day>13</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>185</fpage><lpage>193</lpage><history><date date-type="received" iso-8601-date="2026-02-28"><day>28</day><month>02</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-03-29"><day>29</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://creativecommons.org/licenses/by-nc-nd/4.0/</ali:license_ref></license></permissions><self-uri xlink:href="https://archivog.com/2313-8726/article/view/703511">https://archivog.com/2313-8726/article/view/703511</self-uri><abstract xml:lang="en"><p><bold>BACKGROUND:</bold> Abnormal uterine bleeding is common during the reproductive period, and despite treatment, recurrences associated with ovulatory dysfunction are frequent, carrying a high risk of infertility and endometrial hyperplasia</p> <p><bold>AIM:</bold><bold><italic> </italic></bold>To compare the efficacy of different cyclic dydrogesterone regimens for preventing recurrence of abnormal uterine bleeding caused by ovulatory dysfunction during the reproductive period.</p> <p><bold>METHODS:</bold> We examined 93 patients aged 27–44 years with abnormal uterine bleeding associated with ovulatory dysfunction. After histological confirmation of endometrial proliferation in biopsy specimens, the patients received dydrogesterone therapy for 6 months. Three groups were formed: group 1 (32 patients planning pregnancy) received dydrogesterone 20 mg/day from day 16 to day 25 of the menstrual cycle; group 2 (31 patients not seeking pregnancy) received dydrogesterone 20 mg/day from day 5 to day 25; group 3 (30 patients who wished to conceive soon)** received dydrogesterone 20 mg/day from day 11 to day 25. Three months after treatment, menstrual cycle pattern and pelvic ultrasound findings were assessed. Statistical analysis was performed using IBM SPSS Statistics 23.0.0.0 (<italic>p</italic> &lt; 0.05).</p> <p><bold>RESULTS:</bold><bold><italic> </italic></bold>Three months after dydrogesterone therapy, menstrual irregularities with endometrial thickness (M-echo) &gt;7 mm on days 5–7 of the cycle were found in 12 (37.5%) patients in group 1, in 2 (6.4%) in group 2, and in 2 (6.6%) in group 3.</p> <p><bold>CONCLUSION:</bold><bold> </bold>The prolonged cyclic regimen (days 5–25) and the cyclic regimen (days 11–25) showed statistically significant superiority in efficacy for abnormal uterine bleeding due to ovulatory dysfunction compared with the days 16–25 regimen.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Обоснование.</bold> Аномальные маточные кровотечения часто встречаются в репродуктивном периоде и, несмотря на проводимое лечение, наблюдается значительное число их рецидивов, ассоциированных с овуляторной дисфункцией, что сопровождается высоким риском бесплодия и развития гиперплазии эндометрия.</p> <p><bold>Цель исследования.</bold><bold> </bold>Сравнение эффективности различных вариантов циклического режима терапии дидрогестероном при профилактике рецидивов аномальных маточных кровотечений, обусловленных овуляторной дисфункцией в репродуктивном периоде.</p> <p><bold>Методы</bold>. Обследованы 93 пациентки 27–44 лет с аномальными маточными кровотечениями на фоне овуляторной дисфункции. После получения гистологического заключения о наличии пролиферации эндометрия в биоптате пациенткам проведена медикаментозная терапия дидрогестероном в течение 6 мес. Сформированы 3 группы: 1-я — 32 пациентки, планировавшие беременность, получали дидрогестерон по 20 мг/сут с 16-го по 25-й день менструального цикла; 2-я — 31 пациентка, не заинтересованная в беременности, получали дидрогестерон по 20 мг/сут с 5-го по 25-й день; 3-я — 30 пациенток, заинтересованных в наступлении беременности в ближайшее время, получали дидрогестерон по 20 мг/сут с 11-го по 25-й день цикла. Спустя 3 мес. после окончания терапии оценивали характер менструального цикла в сочетании с данными ультразвукового исследования органов малого таза. Статистический анализ проводили с использованием IBM® SPSS® Statistics 23.0.0.0 (<italic>р</italic> &lt;0,05).</p> <p><bold>Результаты.</bold> Через 3 мес. после окончания терапии дидрогестероном нарушения менструального цикла в сочетании с утолщённым М-эхо (более 7 мм) на 5–7-й день цикла выявлены у 12 (37,5%) пациенток из 1-й группы, у 2 (6,4%) — из 2-й, у 2 (6,6%) — из 3-й.</p> <p><bold>Заключение.</bold> Пролонгированный циклический режим терапии дидрогестероном (с 5-го по 25-й день цикла) и циклический режим (с 11-го по 25-й день цикла) в репродуктивном периоде демонстрировали статистически значимое превосходство в эффективности лечения аномальных маточных кровотечений, вызванных овуляторной дисфункцией, по сравнению с режимом приёма дидрогестерона с 16-го по 25-й день цикла.</p></trans-abstract><trans-abstract xml:lang="zh"><p>论证。 异常子宫出血在育龄期女性中常见，尽管经过治疗，仍有大量复发与排卵功能障碍相关，伴随不孕和子宫内膜增生症的高风险。</p> <p>目的。 比较不同地屈孕酮周期性方案在预防育龄期排卵功能障碍所致异常子宫出血复发中的疗效。</p> <p>方法。 纳入93例27–44岁合并排卵功能障碍性异常子宫出血患者。在活检组织学报告显示子宫内膜增生后，患者接受地屈孕酮药物治疗6个月。分为3组：第1组——32例有妊娠计划的患者，于月经周期第16–25天给予地屈孕酮20 mg/日；第2组——31例无妊娠意愿的患者，于月经周期第5–25天给予地屈孕酮20 mg/日；第3组——30例近期有妊娠意愿的患者，于月经周期第11–25天给予地屈孕酮20 mg/日。治疗结束后3个月，结合盆腔超声检查结果评估月经周期特征。统计分析采用IBM® SPSS® Statistics 23.0.0.0（p &lt; 0.05）。</p> <p>结果。 地屈孕酮治疗结束后3个月，月经周期紊乱合并周期第5–7天M-回声增厚（&gt;7 mm）见于第1组12例（37.5%），第2组2例（6.4%），第3组2例（6.6%）。</p> <p>结论。 在育龄期，地屈孕酮延长周期性方案（周期第5–25天）和周期性方案（周期第11–25天）在治疗排卵功能障碍所致异常子宫出血方面，其疗效显著优于周期第16–25天给药方案。</p></trans-abstract><kwd-group xml:lang="en"><kwd>abnormal uterine bleeding</kwd><kwd>reproductive period</kwd><kwd>ovulatory dysfunction</kwd><kwd>dydrogesterone</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>аномальное маточное кровотечение</kwd><kwd>репродуктивный период</kwd><kwd>овуляторная дисфункция</kwd><kwd>дидрогестерон</kwd></kwd-group><kwd-group xml:lang="zh"><kwd>异常子宫出血</kwd><kwd>育龄期</kwd><kwd>排卵功能障碍</kwd><kwd>地屈孕酮</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Munro MG. 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