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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">Ekologiya cheloveka (Human Ecology)</journal-id><journal-title-group><journal-title xml:lang="en">Ekologiya cheloveka (Human Ecology)</journal-title><trans-title-group xml:lang="ru"><trans-title>Экология человека</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1728-0869</issn><issn publication-format="electronic">2949-1444</issn><publisher><publisher-name xml:lang="en">Eco-Vector</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">106718</article-id><article-id pub-id-type="doi">10.17816/humeco106718</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="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Clinical manifestations of decreased ovarian reserve in premenopausal women: a cross-sectional study</article-title><trans-title-group xml:lang="ru"><trans-title>Клинико-лабораторные показатели сниженного овариального резерва у женщин репродуктивного возраста: кросс-секционное исследование</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1432-4239</contrib-id><contrib-id contrib-id-type="spin">6284-3561</contrib-id><name-alternatives><name xml:lang="en"><surname>Salimova</surname><given-names>Madinabonu D.</given-names></name><name xml:lang="ru"><surname>Салимова</surname><given-names>Мадинабону Долимжон кизи</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>junior research associate</p></bio><bio xml:lang="ru"><p>младший научный сотрудник</p></bio><email>madinochka.salimova@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8862-5771</contrib-id><contrib-id contrib-id-type="spin">6289-3358</contrib-id><name-alternatives><name xml:lang="en"><surname>Danusevich</surname><given-names>Irina N.</given-names></name><name xml:lang="ru"><surname>Данусевич</surname><given-names>Ирина Николаевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>д.м.н.</p></bio><email>irinaemails@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-5747-7315</contrib-id><contrib-id contrib-id-type="spin">7766-5841</contrib-id><name-alternatives><name xml:lang="en"><surname>Nadelyaeva</surname><given-names>Yana G.</given-names></name><name xml:lang="ru"><surname>Наделяева</surname><given-names>Яна Геннадьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), research associate</p></bio><bio xml:lang="ru"><p>к.м.н., научный сотрудник</p></bio><email>ianadoc@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7662-8529</contrib-id><contrib-id contrib-id-type="spin">7056-7495</contrib-id><name-alternatives><name xml:lang="en"><surname>Lazareva</surname><given-names>Lyudmila M.</given-names></name><name xml:lang="ru"><surname>Лазарева</surname><given-names>Людмила Михайловна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Med.), research associate</p></bio><bio xml:lang="ru"><p>к.м.н., научный сотрудник</p></bio><email>lirken_@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3407-9365</contrib-id><contrib-id contrib-id-type="spin">3975-8304</contrib-id><name-alternatives><name xml:lang="en"><surname>Atalyan</surname><given-names>Alina V.</given-names></name><name xml:lang="ru"><surname>Аталян</surname><given-names>Алина Валерьевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Biol.), senior research associate</p></bio><bio xml:lang="ru"><p>к.б.н., старший научный сотрудник</p></bio><email>atalyan@sbamsr.irk.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9353-7928</contrib-id><contrib-id contrib-id-type="spin">8473-7941</contrib-id><name-alternatives><name xml:lang="en"><surname>Novikova</surname><given-names>Evgenia  A.</given-names></name><name xml:lang="ru"><surname>Новикова</surname><given-names>Евгения Анатолиевна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>junior research associate</p></bio><bio xml:lang="ru"><p>младший научный сотрудник</p></bio><email>europe411@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3588-6545</contrib-id><contrib-id contrib-id-type="spin">4138-8991</contrib-id><name-alternatives><name xml:lang="en"><surname>Sholokhov</surname><given-names>Leonid F.</given-names></name><name xml:lang="ru"><surname>Шолохов</surname><given-names>Леонид Федорович</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>MD, Cand. Sci. (Med.)</p></bio><bio xml:lang="ru"><p>к.м.н.</p></bio><email>lfshol@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-4730-5154</contrib-id><contrib-id contrib-id-type="spin">1361-0840</contrib-id><name-alternatives><name xml:lang="en"><surname>Rashidova</surname><given-names>Maria A.</given-names></name><name xml:lang="ru"><surname>Рашидова</surname><given-names>Мария Александровна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. Sci. (Biol.), research associate</p></bio><bio xml:lang="ru"><p>к.б.н., научный сотрудник</p></bio><email>rashidovama@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-6271-7803</contrib-id><contrib-id contrib-id-type="spin">9419-0244</contrib-id><name-alternatives><name xml:lang="en"><surname>Suturina</surname><given-names>Larisa V.</given-names></name><name xml:lang="ru"><surname>Сутурина</surname><given-names>Лариса Викторовна</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. Sci. (Med.), professor, chief research associate</p></bio><bio xml:lang="ru"><p>д.м.н., профессор, главный научный сотрудник</p></bio><email>lsuturina@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Scientific Centre for Family Health and Human Reproduction Problems</institution></aff><aff><institution xml:lang="ru">Научный центр проблем здоровья семьи и репродукции человека</institution></aff></aff-alternatives><pub-date date-type="preprint" iso-8601-date="2022-09-05" publication-format="electronic"><day>05</day><month>09</month><year>2022</year></pub-date><pub-date date-type="pub" iso-8601-date="2022-10-18" publication-format="electronic"><day>18</day><month>10</month><year>2022</year></pub-date><volume>29</volume><issue>8</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>587</fpage><lpage>597</lpage><history><date date-type="received" iso-8601-date="2022-04-25"><day>25</day><month>04</month><year>2022</year></date><date date-type="accepted" iso-8601-date="2022-07-29"><day>29</day><month>07</month><year>2022</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2022, Eco-Vector</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2022, Эко-Вектор</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="en">Eco-Vector</copyright-holder><copyright-holder xml:lang="ru">Эко-Вектор</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-nc-nd/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://hum-ecol.ru/1728-0869/article/view/106718">https://hum-ecol.ru/1728-0869/article/view/106718</self-uri><abstract xml:lang="en"><p><bold><italic>AIM: </italic></bold>To estimate clinical manifestation of decreased ovarian reserve in women of reproductive age from Eastern Siberia.</p> <p><bold><italic>MATERIAL AND METHODS:</italic></bold> A total of 1119 women aged 18 to 40 years who underwent an annual preventive medical examination at their place of work were invited to participate in a cross-sectional study performed in 2017–2019 in Irkutsk Region and Buryat Republic (Russia). Among the 1119 women, 907 aged 31.78±5.13 years were included in the study, after which clinical, instrumental, and laboratory research methods and statistical analysis were utilized. Among the 907 women included in the study, 117 (12.9%) had &lt;5 follicles per ovary and were diagnosed with decreased ovarian reserve (DOR). The laboratory study showed that 56 of the 117 (47.8%) women had an antimullerian hormone (AMH) level below 1.2 ng/mL, the average value of which was 0.53±0.43 ng/mL.</p> <p><bold><italic>RESULTS:</italic></bold> In women with reduced AMH levels, a shortening of the menstrual cycle (p=0.0187) and high parity were observed. Moreover, premature ovarian failure was diagnosed in 4 of the 117 (3.4%) patients with a reduced number of antral follicles.</p> <p><bold><italic>CONCLUSION:</italic></bold> The frequency of women with DOR in the Eastern Siberia region based on one AFC criterion was 12.9%. Only 3.4% of women satisfied all criteria for premature ovarian failure. The average age of women with signs of DOR in this region was 35.12±3.87 years and did not depend on ethnicity. Moreover, 47.8% of the women with an AMH &lt;1.2 had a follicle-stimulating hormone (FSH) level of 12.14 ME/mL, while 52.2% of the those with AMH &gt;1.2 had a FSH level of 5.91 ME/mL. Patients with AMH &lt;1.2 can be characterized by high parity in the anamnesis and shortening of the menstrual cycle.</p></abstract><trans-abstract xml:lang="ru"><p><bold>Цель исследования.</bold> Оценить клинико-лабораторные показатели сниженного овариального резерва у женщин репродуктивного возраста в Восточной Сибири.</p> <p><bold>Материал и методы.</bold> В кросс-секционном (поперечном) исследовании, проведённом в 2017–2019 гг. в Иркутске, Иркутской области (посёлок Бохан) и Республике Бурятия (Россия), приняли участие 1119 женщин в возрасте от 18 до 40 лет, которые проходили ежегодный профилактический медицинский осмотр по месту работы. Были отобраны 907 женщин из 1119 в возрасте 18–40 лет (средний возраст — 31,78±5,13 года), которые подписали информированное согласие и были готовы пройти все процедуры. Использованы клинические, инструментальные, лабораторные методы исследования и проведён статистический анализ. Из 907 женщин, включённых в исследование, выделены 117 участниц с количеством фолликулов в яичнике менее 5 (12,9%) — группа пациенток со сниженным овариальным резервом (СОР), которую в свою очередь разделили на две подгруппы в процессе лабораторного исследования: у 56 женщин (47,8%) концентрация антимюллерова гормона (АМГ) была ниже 1,2 нг/мл (среднее значение — 0,53±0,43 нг/мл); у 61 респондентки (52,2%) при концентрации АМГ выше 1,2 нг/мл среднее значение составило 2,72±1,47 нг/мл.</p> <p><bold>Результаты.</bold> Клинически в первой подгруппе (<italic>n</italic>=56) наблюдалось укорочение менструального цикла (<italic>p</italic>=0,0187) и высокий паритет по результатам анамнеза. У 4 из 117 пациенток (3,4%) диагностирована преждевременная недостаточность яичников согласно общепринятым критериям.</p> <p><bold>Заключение.</bold> Частота выявления СОР на основании одного критерия (количества антральных фолликулов) — 12,9%. Лишь у 3,4% женщин наблюдалась преждевременная недостаточность яичников. Средний возраст женщин с признаками СОР в данном регионе составил 35,12±3,87 года и не зависел от этнической принадлежности. 47,8% женщин с концентрацией АМГ менее 1,2 нг/мл имели концентрацию фолликулостимулирующего гормона (ФСГ) 12,14 МЕ/мл, а 52,2% женщин с концентрацией АМГ более 1,2 нг/мл имели концентрацию ФСГ 5,91 МЕ/мл. Высокий паритет в анамнезе и укорочение менструального цикла характерны для пациенток с концентрацией АМГ менее 1,2 нг/мл.</p></trans-abstract><kwd-group xml:lang="en"><kwd>antimullerian hormone</kwd><kwd>follicle-stimulating hormone</kwd><kwd>ovarian biomarkers</kwd><kwd>ovarian reserve</kwd><kwd>decreased ovarian reserve</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>антимюллеров гормон</kwd><kwd>фолликулостимулирующий гормон</kwd><kwd>биомаркёры яичников</kwd><kwd>овариальный резерв</kwd><kwd>снижение овариального резерва</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Международный арктический научный комитет</institution></institution-wrap><institution-wrap><institution xml:lang="en">International Arctic Science Committee</institution></institution-wrap></funding-source></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Tal R, Seifer DB. 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