{"id":436229,"date":"2022-09-10T17:38:02","date_gmt":"2022-09-10T17:38:02","guid":{"rendered":"https:\/\/kinsta.unitedwithisrael.org\/?p=436229"},"modified":"2022-09-10T20:38:02","modified_gmt":"2022-09-10T17:38:02","slug":"un-estudio-de-la-universidad-hebrea-de-jerusalem-revela-un-metodo-simple-para-aumentar-el-numero-de-nacimientos-por-fecundacion-in-vitro","status":"publish","type":"post","link":"https:\/\/kinsta.unitedwithisrael.org\/es\/un-estudio-de-la-universidad-hebrea-de-jerusalem-revela-un-metodo-simple-para-aumentar-el-numero-de-nacimientos-por-fecundacion-in-vitro\/","title":{"rendered":"Un estudio de la Universidad Hebrea de Jerusalem revela un m\u00e9todo simple para aumentar el n\u00famero de nacimientos por Fecundaci\u00f3n In Vitro."},"content":{"rendered":"

En todo el mundo, alrededor del 10-15% de las parejas tienen problemas de infertilidad. Muchas de ellas recurren a las tecnolog\u00edas de reproducci\u00f3n artificial, principalmente a la fecundaci\u00f3n in vitro (FIV), con la esperanza de tener un beb\u00e9.<\/strong><\/em><\/p>\n

(Comunicado de la portavoz de la Universidad Hebrea de Jerusalem)<\/p>\n

El proceso est\u00e1 cargado de ansiedad, ya que s\u00f3lo un tercio de los ciclos de FIV, en promedio, tienen \u00e9xito. No obstante, un m\u00e9todo para mejorar el \u00e9xito de la FIV ha sido claramente identificado en una revisi\u00f3n sistem\u00e1tica de ensayos cl\u00ednicos de alta calidad-realizados por un equipo de investigadores del Hospital Kaplan y de la Universidad Hebrea de Jerusal\u00e9n, dirigido por la Dra. Devorah Heymann. \u00a0Sus \u00a0conclusiones \u00a0fueron\u00a0 \u00a0publicadas \u00a0en Human Reproduction.<\/span><\/p>\n

La tendencia en todo el mundo es que las parejas retrasen la conformaci\u00f3n de una familia, hasta que hayan alcanzado una mayor estabilidad financiera. \u00a0Esto lleva a las mujeres m\u00e1s all\u00e1 de sus a\u00f1os de m\u00e1xima fertilidad, lo que ocasiona que muchas recurran a procesos como la FIV, para tener un beb\u00e9. En la FIV se extrae un \u00f3vulo de la mujer, se lo fecunda en una placa, y unos d\u00edas despu\u00e9s, el embri\u00f3n es implantado en su \u00fatero. \u00a0Mientras se haya en la placa, el embri\u00f3n es conservado en un l\u00edquido, o medio de cultivo, que favorece su desarrollo. La revisi\u00f3n de la Universidad Hebrea estableci\u00f3 que la adici\u00f3n de \u00e1cido hialur\u00f3nico a este medio, mejora el \u00e9xito final de la FIV.<\/span><\/p>\n

El significativo hallazgo fue resultado de una revisi\u00f3n sistem\u00e1tica detallada y un meta an\u00e1lisis de los resultados de todos los ensayos cl\u00ednicos de alta calidad, en los que se agreg\u00f3 o no \u00e1cido hialur\u00f3nico \u00a0al medio de cultivo. \u201dDescubrimos que la exposici\u00f3n de un embri\u00f3n a \u00e1cido hialur\u00f3nico durante m\u00e1s de 10 minutos antes de su transferencia al \u00fatero, aumentaba la probabilidad de un nacimiento del 32% al 39%\u201d, se\u00f1al\u00f3 Heymann. El \u00e9xito m\u00e1s marcado se registr\u00f3 en los casos de mujeres con mal pron\u00f3stico \u00a0de \u00e9xito. \u00a0<\/span><\/p>\n

Adem\u00e1s, el aumento de la tasa de natalidad fue visto solamente en los casos en los cuales la mujer fue implantada con su propio \u00f3vulo fecundado y no en los casos en que fueron utilizados \u00f3vulos de donantes. \u201cEsto podr\u00eda darse porque los \u00f3vulos de donantes tienden a ser de alta calidad\u201d, explic\u00f3 Heymann. El principal beneficio, se observ\u00f3 en los \u00f3vulos de peor calidad.<\/span><\/p>\n

Este estudio, realizado por Heymann y sus colegas, incluy\u00f3 a los expertos en FIV, el profesor Zeev Shoham y el Dr. Yuval Or, se basa en su trabajo para Cochrane, que public\u00f3 una revisi\u00f3n en el 2020, en la que se mostraba un aumento general del \u00edndice de \u00e9xito en los tratamientos de reproducci\u00f3n artificial, cuando los embriones son expuestos al \u00e1cido hialur\u00f3nico antes de la implantaci\u00f3n.<\/span><\/p>\n

Aunque el \u00e1cido hialur\u00f3nico est\u00e1 presente de forma natural en el aparato reproductor femenino, su papel en la mejora de los resultados de la FIV no resulta claro, y \u201cse requiere de una mayor investigaci\u00f3n\u201d, recomienda Heymann. Mientras tanto, su principal preocupaci\u00f3n es que las cl\u00ednicas de FIV act\u00faen en base a las conclusiones de esta revisi\u00f3n. \u201cSin embargo\u201d, se\u00f1al\u00f3 que \u201cel \u00e1cido hialur\u00f3nico es caro, y esto podr\u00eda significar que no es utilizado tan ampliamente como se deber\u00eda\u201d.<\/span><\/p>\n

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En todo el mundo, alrededor del 10-15% de las parejas tienen problemas de infertilidad. Muchas de ellas recurren a las tecnolog\u00edas de reproducci\u00f3n artificial, principalmente a la fecundaci\u00f3n in vitro (FIV), con la esperanza de tener un beb\u00e9.<\/p>\n","protected":false},"author":47,"featured_media":258122,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[211],"tags":[13104],"class_list":["post-436229","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-luz-para-las-naciones","tag-universidad-hebrea-de-jerusalem"],"better_featured_image":{"id":258122,"alt_text":"","caption":"Hebrew University on Mount Scopus. 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