{"id":10628,"date":"2020-03-26T17:43:18","date_gmt":"2020-03-26T16:43:18","guid":{"rendered":"https:\/\/proxeed.ch\/?p=10628"},"modified":"2025-02-26T12:10:55","modified_gmt":"2025-02-26T11:10:55","slug":"lhorloge-biologique-tourne-chez-les-hommes-aussi","status":"publish","type":"post","link":"https:\/\/proxeed.ch\/fr\/lhorloge-biologique-tourne-chez-les-hommes-aussi\/","title":{"rendered":"L\u2019horloge biologique tourne chez les hommes aussi"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jxc13wib-006427ef7e737a09a3abee7cc4144123\">\n.avia-image-container.av-jxc13wib-006427ef7e737a09a3abee7cc4144123 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-jxc13wib-006427ef7e737a09a3abee7cc4144123 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-jxc13wib-006427ef7e737a09a3abee7cc4144123 av-styling- avia-align-center  avia-builder-el-0  el_before_av_textblock  avia-builder-el-first '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-10601 avia-img-lazy-loading-not-10601 avia_image ' src=\"https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-1030x687.jpg\" alt='' title='biologische-uhr-maenner'  height=\"687\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-1030x687.jpg 1030w, https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-600x400.jpg 600w, https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-300x200.jpg 300w, https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-768x512.jpg 768w, https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-1536x1024.jpg 1536w, https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-2048x1366.jpg 2048w, https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-1500x1000.jpg 1500w, https:\/\/proxeed.ch\/wp-content\/uploads\/2020\/03\/biologische-uhr-maenner-scaled-705x470.jpg 705w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div>\n<section  class='av_textblock_section av-jxc0xdaa-a775b52d8efb88c48dda605f604610d9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h1>L&#8217;horloge biologique tourne chez les hommes aussi<\/h1>\n<p>On a longtemps pens\u00e9 que les hommes pouvaient procr\u00e9er \u00e0 tout \u00e2ge. Deux \u00e9tudes montrent cependant que la fertilit\u00e9 masculine change avec l&#8217;\u00e2ge.<\/p>\n<p>Chez les femmes, la fertilit\u00e9 est nettement limit\u00e9e\u00a0: d&#8217;une part, elles disposent \u00e0 la naissance d&#8217;un nombre d\u00e9fini d&#8217;ovules f\u00e9condables. D&#8217;autre part, la fertilit\u00e9 f\u00e9minine diminue avec l&#8217;\u00e2ge, jusqu&#8217;\u00e0 la m\u00e9nopause. Cependant, l&#8217;horloge biologique tourne chez les hommes aussi.<\/p>\n<p>Comme il ressort d&#8217;une \u00e9tude de l&#8217;universit\u00e9 isra\u00e9lienne de Soroka, la qualit\u00e9 et la quantit\u00e9 des spermatozo\u00efdes changent au cours de la vie. Le nombre de spermatozo\u00efdes atteint son maximum chez les hommes entre 30 et 35 ans, pour ensuite baisser. La motilit\u00e9 des spermatozo\u00efdes atteint son maximum d\u00e8s 25 ans, et baisse de 54\u00a0% jusqu&#8217;\u00e0 55 ans.<\/p>\n<p>Mais il n&#8217;y a pas que le nombre et la motilit\u00e9 des spermatozo\u00efdes qui diminuent avec l&#8217;\u00e2ge. Une \u00e9tude de l&#8217;universit\u00e9 de Californie montre en effet que l&#8217;\u00e2ge de l&#8217;homme influence \u00e9galement le d\u00e9roulement de la grossesse. Ainsi, les spermatozo\u00efdes atteints de d\u00e9fauts n&#8217;influencent pas uniquement la fertilit\u00e9 masculine, mais augmentent \u00e9galement le risque de fausses couches et de mort-n\u00e9s. Les chercheurs ont par ailleurs d\u00e9montr\u00e9 que les enfants de p\u00e8re \u00e2g\u00e9 souffraient plus souvent d&#8217;autisme, de leuc\u00e9mie ou de troubles bipolaires.<\/p>\n<p>Une mauvaise qualit\u00e9 du sperme li\u00e9e \u00e0 l&#8217;\u00e2ge a \u00e9galement une incidence sur la probabilit\u00e9 d&#8217;obtenir une grossesse. Chez les femmes de 19 \u00e0 26 ans, elle est d&#8217;environ 50\u00a0% lors des jours fertiles autour de l&#8217;ovulation. Elle subit ensuite une baisse continue et est de 29\u00a0% chez les femmes de 35 \u00e0 39 ans. Si l&#8217;homme a cinq ans ou plus que la femme, la probabilit\u00e9 de procr\u00e9er baisse de la moiti\u00e9 environ, pour atteindre 15\u00a0%.<\/p>\n<p>L&#8217;\u00e2ge de l&#8217;homme doit ainsi \u00eatre pris en compte dans le projet de famille\u00a0: il est lui aussi soumis \u00e0 l&#8217;horloge biologique.<\/p>\n<\/div><\/section>\n","protected":false},"excerpt":{"rendered":"<p>On a longtemps pens\u00e9 que les hommes pouvaient procr\u00e9er \u00e0 tout \u00e2ge. Deux \u00e9tudes montrent cependant que la fertilit\u00e9 masculine change avec l&#8217;\u00e2ge.<\/p>\n","protected":false},"author":1,"featured_media":10601,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-10628","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pour-lui"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>L\u2019horloge biologique tourne chez les hommes aussi - Proxeed<\/title>\n<meta name=\"description\" content=\"On a longtemps pens\u00e9 que les hommes pouvaient procr\u00e9er \u00e0 tout \u00e2ge. 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