{"id":36483,"date":"2025-07-30T08:00:00","date_gmt":"2025-07-30T06:00:00","guid":{"rendered":"https:\/\/www.dexeus.com\/fertility\/blog-fiv\/infertilite-masculine-les-causes-les-moins-connues\/"},"modified":"2026-03-23T11:36:31","modified_gmt":"2026-03-23T10:36:31","slug":"infertilite-masculine-les-causes-les-moins-connues","status":"publish","type":"post","link":"https:\/\/www.dexeus.com\/fertility\/fr\/blog-fiv\/infertilite-masculine-les-causes-les-moins-connues\/","title":{"rendered":"Infertilit\u00e9 masculine : les causes les moins connues"},"content":{"rendered":"<p>La premi\u00e8re \u00e9tape pour d\u00e9terminer si un homme souffre d&#8217;un probl\u00e8me d&#8217;infertilit\u00e9 consiste \u00e0 r\u00e9aliser un spermogramme. Vous avez sans doute d\u00e9j\u00e0 entendu parler de ce test. Le spermogramme est un examen simple qui consiste \u00e0 recueillir un \u00e9chantillon de sperme afin d\u2019analyser plusieurs param\u00e8tres?tels que le volume de l\u2019\u00e9jaculat, ainsi que la concentration, la mobilit\u00e9 et la morphologie des spermatozo\u00efdes.<\/p>\n<p>Dans la plupart des cas, cet examen suffit \u00e0 d\u00e9tecter toute anomalie. Pourtant, <strong>15?% des hommes infertiles<\/strong> pr\u00e9sentent un <strong>spermogramme avec des r\u00e9sultats \u00ab?normaux?\u00bb<\/strong> selon l\u2019Organisation mondiale de la sant\u00e9 (OMS). Ceci est du au fait que, outre les anomalies des param\u00e8tres \u00e9valu\u00e9s par le spermogramme, d\u2019autres facteurs peuvent \u00e9galement affecter la fertilit\u00e9, comme des <strong>d\u00e9s\u00e9quilibres hormonaux<\/strong>, des <strong>probl\u00e8mes testiculaires<\/strong> tels que la varicoc\u00e8le, des <strong>dysfonctionnements reproductifs<\/strong> (absence ou obstruction d\u2019un canal) ou des <strong>maladies<\/strong> affectant la production de spermatozo\u00efdes.<\/p>\n<p>Parmi les causes moins connues du grand public figurent les <strong>anomalies g\u00e9n\u00e9tiques<\/strong> et la <strong>fragmentation de l\u2019ADN spermatique<\/strong>. Cette derni\u00e8re correspond \u00e0 la pr\u00e9sence de cassures dans les cha\u00eenes qui composent le mat\u00e9riel g\u00e9n\u00e9tique (l\u2019ADN) des spermatozo\u00efdes, pouvant compromettre leur qualit\u00e9 et leur <strong>fonction<\/strong>.<\/p>\n<p>Bien que cela puisse sembler surprenant, la fragmentation de l\u2019ADN spermatique est un probl\u00e8me plus <strong>fr\u00e9quent<\/strong> qu\u2019on ne le pense. Plusieurs \u00e9tudes ont montr\u00e9 que les hommes infertiles pr\u00e9sentent des taux de fragmentation de l\u2019ADN spermatique plus \u00e9lev\u00e9s que les hommes fertiles, ce qui peut r\u00e9duire les chances de concevoir spontan\u00e9ment et affecter le succ\u00e8s des techniques de procr\u00e9ation m\u00e9dicalement assist\u00e9e (PMA).<\/p>\n<p>Cependant, certains hommes avec ce type d\u2019alt\u00e9ration <strong>parviennent<\/strong> malgr\u00e9 tout <strong>\u00e0 concevoir<\/strong> et \u00e0 avoir des <strong>enfants en bonne sant\u00e9<\/strong>. En effet, un ovocyte de bonne qualit\u00e9 peut r\u00e9parer partiellement ces cassures de l\u2019ADN spermatique, am\u00e9liorant ainsi les chances de succ\u00e8s reproductif.<\/p>\n<p><strong>Quelles sont les causes de la fragmentation de l\u2019ADN spermatique??<\/strong><\/p>\n<p>Les causes possibles de la fragmentation de l\u2019ADN des spermatozo\u00efdes sont nombreuses?: infections ou \u00e9pisodes de forte fi\u00e8vre, traitements m\u00e9dicamenteux, exposition \u00e0 des polluants environnementaux, tabagisme, stress oxydatif cellulaire ou \u00e2ge paternel avanc\u00e9 (plus de 45?ans).<\/p>\n<p>\u00ab?Dans la plupart des cas, ce probl\u00e8me peut \u00eatre trait\u00e9 efficacement et la fragmentation peut \u00eatre r\u00e9duite gr\u00e2ce \u00e0 une am\u00e9lioration du mode de vie, des traitements antioxydants ou simplement en raccourcissant la p\u00e9riode d\u2019abstinence sexuelle?\u00bb, explique <a href=\"https:\/\/fr.dexeus.com\/qui-sommes-nous\/nos-centres\/equipe-medicale\/marta-ballester-ferrer\">Marta Ballester<\/a>, <strong>responsable du Laboratoire d\u2019Andrologie de Dexeus Mujer.<\/strong> De plus, notre laboratoire d\u2019andrologie utilise des techniques avanc\u00e9es de s\u00e9lection des spermatozo\u00efdes pour identifier ceux pr\u00e9sentant un taux de fragmentation plus faible.<\/p>\n<p>Si, malgr\u00e9 ces mesures, aucune am\u00e9lioration significative n&#8217;est constat\u00e9e, il est possible de r\u00e9aliser une <strong>biopsie testiculaire<\/strong> afin de r\u00e9cup\u00e9rer des spermatozo\u00efdes directement au niveau du testicule, qui pr\u00e9sentent g\u00e9n\u00e9ralement un taux de fragmentation inf\u00e9rieur \u00e0 celui des spermatozo\u00efdes \u00e9jacul\u00e9s. Ces spermatozo\u00efdes peuvent ensuite \u00eatre utilis\u00e9s dans le cadre d\u2019une <strong>injection intracytoplasmique de spermatozo\u00efdes (ICSI)<\/strong> pour ins\u00e9miner les ovocytes lors d\u2019un traitement de f\u00e9condation <em>in vitro<\/em> (FIV).<\/p>\n<p><strong>Techniques de diagnostic<\/strong><\/p>\n<p>Il existe diff\u00e9rentes techniques de diagnostic pour \u00e9valuer le taux de fragmentation de l\u2019ADN dans un \u00e9chantillon de sperme. Dans notre centre, nous r\u00e9alisons le <strong>test de dispersion de la chromatine spermatique <\/strong>(<em>sperm chromatin dispersion<\/em> ou SCD) et la <strong>technique<\/strong> <strong>COMET<\/strong>.<\/p>\n<p>Le test SCD est rapide et simple, permettant de mesurer le niveau global de fragmentation de l\u2019ADN spermatique, tandis que la technique COMET offre une analyse plus d\u00e9taill\u00e9e, en diff\u00e9renciant le pourcentage de fragmentation selon le type de cassure&nbsp;: <strong>simple brin ou double brin<\/strong>. Les cassures simple brin sont associ\u00e9es \u00e0 une probabilit\u00e9 r\u00e9duite d\u2019obtenir une grossesse spontan\u00e9e, tandis que les cassures double brin sont li\u00e9es \u00e0 un risque accru de fausse couche et, dans le cadre des traitements de FIV, \u00e0 une qualit\u00e9 embryonnaire moindre. \u00ab?Le fait de pouvoir distinguer le type de cassure, simple ou double brin, permet de mieux <strong>personnaliser<\/strong> le traitement \u00e0 suivre?\u00bb, pr\u00e9cise Marta Ballester.<\/p>\n<p>Chez Dexeus Mujer, nous disposons d\u2019une <a href=\"https:\/\/fr.dexeus.com\/sante-homme\"><strong>unit\u00e9 sp\u00e9cialis\u00e9e dans la sant\u00e9 sexuelle masculine<\/strong><\/a> et d\u2019un <a href=\"https:\/\/www.dexeus.com\/fertility\/fr\/decouvrez-nous\/laboratoires-technologiques\/\"><strong>Laboratoire d\u2019andrologie<\/strong><\/a>, qui travaille en coordination avec le <strong>Laboratoire de FIV<\/strong> et l\u2019\u00e9quipe du <strong>Service de procr\u00e9ation m\u00e9dicalement assist\u00e9e<\/strong>. Cette coordination acc\u00e9l\u00e8re la r\u00e9alisation des tests, le diagnostic et, par cons\u00e9quent, le traitement. Nous proposons \u00e9galement une <a href=\"https:\/\/www.dexeus.com\/fertility\/fr\/je-ne-tombe-pas-enceinte\/etude-fertilite-couple\/\"><strong>\u00e9tude de fertilit\u00e9 pour couples<\/strong><\/a>, permettant un bilan plus complet en cas d\u2019infertilit\u00e9.<\/p>\n<p>Nous esp\u00e9rons que cet article vous a \u00e9t\u00e9 utile&nbsp;! Pour toute question ou pour obtenir davantage d\u2019informations, vous pouvez prendre rendez-vous avec notre Unit\u00e9 de sant\u00e9 de l\u2019homme.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La premi\u00e8re \u00e9tape pour d\u00e9terminer si un homme souffre d&#8217;un probl\u00e8me d&#8217;infertilit\u00e9 consiste \u00e0 r\u00e9aliser un spermogramme. Vous avez sans doute d\u00e9j\u00e0 entendu parler de ce test. Le spermogramme est un examen simple qui consiste \u00e0 recueillir un \u00e9chantillon de sperme afin d\u2019analyser plusieurs param\u00e8tres?tels que le volume de l\u2019\u00e9jaculat, ainsi que la concentration, la [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":36484,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65,1],"tags":[],"class_list":["post-36483","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","category-sin-categorizar"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Infertilit\u00e9 masculine : les causes les moins connues | Dexeus Fertility<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dexeus.com\/fertility\/fr\/blog-fiv\/infertilite-masculine-les-causes-les-moins-connues\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Infertilit\u00e9 masculine : les causes les moins connues | Dexeus Fertility\" \/>\n<meta property=\"og:description\" content=\"La premi\u00e8re \u00e9tape pour d\u00e9terminer si un homme souffre d&#8217;un probl\u00e8me d&#8217;infertilit\u00e9 consiste \u00e0 r\u00e9aliser un spermogramme. Vous avez sans doute d\u00e9j\u00e0 entendu parler de ce test. Le spermogramme est un examen simple qui consiste \u00e0 recueillir un \u00e9chantillon de sperme afin d\u2019analyser plusieurs param\u00e8tres?tels que le volume de l\u2019\u00e9jaculat, ainsi que la concentration, la [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dexeus.com\/fertility\/fr\/blog-fiv\/infertilite-masculine-les-causes-les-moins-connues\/\" \/>\n<meta property=\"og:site_name\" content=\"Dexeus Fertility\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/dexeusmujer\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-07-30T06:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-23T10:36:31+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dexeus.com\/fertility\/wp-content\/uploads\/2025\/09\/infertilidad-masculina-causas-2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"640\" \/>\n\t<meta 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