{"id":739,"date":"2018-02-07T12:43:27","date_gmt":"2018-02-07T17:43:27","guid":{"rendered":"https:\/\/conceptionplus.ca\/?page_id=739"},"modified":"2018-02-11T23:20:36","modified_gmt":"2018-02-12T04:20:36","slug":"external-causes","status":"publish","type":"page","link":"https:\/\/conceptionplus.ca\/fr\/patient-information\/reasons-for-subfertility\/external-causes\/","title":{"rendered":"Causes ext\u00e9rieures"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-title title fusion-title-1 sep-underline sep-dashed fusion-title-text fusion-title-size-two\" style=\"--awb-margin-top:0px;\"><h2 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:26;line-height:1.23;\">Causes ext\u00e9rieures<\/h2><\/div><div class=\"fusion-title title fusion-title-2 sep-underline sep-dashed fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:21;line-height:1.5;\">Aliments<\/h3><\/div><div class=\"fusion-text fusion-text-1\"><p>Des \u00e9tudes d\u00e9montrent que les fruits et l\u00e9gumes d&rsquo;aujourd&rsquo;hui contiennent moins de vitamines. Les principales raisons sont :<\/p>\n<\/div><ul style=\"--awb-size:13px;--awb-line-height:22.1px;--awb-icon-width:22.1px;--awb-icon-height:22.1px;--awb-icon-margin:9.1px;--awb-content-margin:31.2px;\" class=\"fusion-checklist fusion-checklist-1 fusion-checklist-default type-icons\"><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa fa-caret-right\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p>La qualit\u00e9 des aliments s&rsquo;est d\u00e9t\u00e9rior\u00e9e \u00e0 cause d&rsquo;une agriculture intensive.<\/p>\n<\/div><\/li><li class=\"fusion-li-item\" style=\"\"><span class=\"icon-wrapper circle-no\"><i class=\"fusion-li-icon fa fa-caret-right\" aria-hidden=\"true\"><\/i><\/span><div class=\"fusion-li-item-content\">\n<p>De nombreux aliments, qui \u00e9taient auparavant largement disponibles et contenaient des teneurs \u00e9lev\u00e9es en vitamines, ne sont plus disponibles.<\/p>\n<\/div><\/li><\/ul><div class=\"fusion-text fusion-text-2\"><p class=\"annotation\">R\u00e9f\u00e9rence : Guidelines on food fortification with micronutrients par Lindsay Allen et autres. Organisation mondiale de la sant\u00e9 et l&rsquo;Organisation des Nations Unies pour l&rsquo;alimentation et l&rsquo;agriculture (FAO) 2006<br \/>\nMale factor subfertility: possible causes and the Impact of nutritional factors. Wong WY et autres. Fertil Steril 2000 73 : 435-442<\/p>\n<\/div><div class=\"fusion-title title fusion-title-3 sep-underline sep-dashed fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:21;line-height:1.5;\">\u00c2ge<\/h3><\/div><div class=\"fusion-text fusion-text-3\"><p>\u00c0 partir de l&rsquo;\u00e2ge de 40 ans environ, la qualit\u00e9 du sperme commence \u00e0 se d\u00e9t\u00e9riorer; les femmes de moins de 30 ans ont 25 % moins de\u00a0 chance de concevoir un enfant si leur partenaire a plus de 40 ans, comparativement \u00e0 un partenaire plus jeune. Parall\u00e8lement, il y a de plus en plus d&rsquo;hommes dans la quarantaine qui, apr\u00e8s avoir poursuivi leur carri\u00e8re, sont maintenant pr\u00eats \u00e0 s&rsquo;engager dans une relation stable et \u00e0 fonder une famille. Il est actuellement \u00e0 la mode chez les hommes plus \u00e2g\u00e9s de devenir p\u00e8res; ainsi, les hommes attendent plus longtemps pour fonder une famille. Bien qu&rsquo;il n&rsquo;y ait pas de changements r\u00e9els chez les hommes, il est bien connu que la diminution de la mobilit\u00e9 et du nombre de spermatozo\u00efdes est li\u00e9e \u00e0 l&rsquo;\u00e2ge. On constate aussi une d\u00e9t\u00e9rioration significative de la fonction sexuelle avec le vieillissement, ainsi que des changements chromosomiques li\u00e9s \u00e0 l&rsquo;\u00e2ge (changements g\u00e9n\u00e9tiques) chez l&rsquo;homme.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-4 sep-underline sep-dashed fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:21;line-height:1.5;\">Bisph\u00e9nol A<\/h3><\/div><div class=\"fusion-text fusion-text-4\"><p>Le bisph\u00e9nol A (BPA) est un plastifiant dont le volume annuel de production de pr\u00e8s de 4 millions de tonnes en fait l&rsquo;un des produits chimiques les plus produits. Le BPA est pr\u00e9sent dans un grand nombre de produits de consommation en plastique ainsi que dans des contenants pour aliments et boissons. On peut aussi trouver des traces de BPA dans le rev\u00eatement int\u00e9rieur des bo\u00eetes de conserve pour aliments. \u00c9tonnamment, le BPA est aussi utilis\u00e9 dans la fabrication de suces et de bouteilles pour b\u00e9b\u00e9. Des chercheurs du Michigan ont d\u00e9montr\u00e9 un lien entre les concentrations de bisph\u00e9nol A dans les \u00e9chantillons d&rsquo;urine et les modifications des niveaux d&rsquo;hormones de reproduction.<\/p>\n<p>En Chine, des ouvriers expos\u00e9s au BPA ont d\u00e9montr\u00e9 une apathie sexuelle, ainsi que des difficult\u00e9s li\u00e9es \u00e0 l&rsquo;\u00e9rection et \u00e0 l&rsquo;\u00e9jaculation. Les chercheurs am\u00e9ricains ont compar\u00e9 les concentrations de BPA dans l&rsquo;urine de 218 ouvriers chinois \u00e0 la qualit\u00e9 de leur sperme.<\/p>\n<p>Les r\u00e9sultats ont d\u00e9montr\u00e9 que des concentrations plus \u00e9lev\u00e9es en BPA augmentaient de deux \u00e0 quatre fois le risque de faible qualit\u00e9 du sperme. Cela affectait autant la concentration du sperme que la vitalit\u00e9 et la mobilit\u00e9 des spermatozo\u00efdes, qui sont essentiels pour la f\u00e9condation. (Source)<\/p>\n<\/div><div class=\"fusion-title title fusion-title-5 sep-underline sep-dashed fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:21;line-height:1.5;\">M\u00e9dicaments<\/h3><\/div><div class=\"fusion-text fusion-text-5\"><p>Certains m\u00e9dicaments (comme les st\u00e9ro\u00efdes anabolisants, les m\u00e9dicaments ayant un effet oestrog\u00e8ne, progestatif ou androg\u00e8ne) peuvent\u00a0 interf\u00e9rer avec les m\u00e9canismes de r\u00e9gulation endocriniens et par cons\u00e9quent avec un effet sur la fertilit\u00e9. Certaines substances comme les agents cytostatiques, certains antibiotiques et immunosuppresseurs peuvent avoir un effet gonadotoxique direct en inhibant la spermatogen\u00e8se. Les tranquillisants et les antid\u00e9presseurs, les m\u00e9dicaments antihypertenseurs, anti\u00e9pileptiques et cardiovasculaires peuvent diminuer la libido et la fonction \u00e9rectile; certains cas de capacit\u00e9 d&rsquo;\u00e9jaculation r\u00e9duite ont aussi \u00e9t\u00e9 rapport\u00e9s.<\/p>\n<\/div><div class=\"fusion-title title fusion-title-6 sep-underline sep-dashed fusion-title-text fusion-title-size-three\"><h3 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;text-transform:none;--fontSize:21;line-height:1.5;\">Temp\u00e9rature<\/h3><\/div><div class=\"fusion-text fusion-text-6\"><p>Temp\u00e9rature : La temp\u00e9rature testiculaire normale est d&rsquo;environ 35 \u00b0C. La chaleur (par exemple les travailleurs de l&rsquo;industrie de l&rsquo;acier, les si\u00e8ges chauffants, les longues p\u00e9riodes assis dans le cas des chauffeurs, la soudure et les visites fr\u00e9quentes d&rsquo;un sauna) peuvent entra\u00eener une augmentation de la temp\u00e9rature scrotale, et par cons\u00e9quent un effet r\u00e9ducteur de la fertilit\u00e9. Ces conditions peuvent mener \u00e0 l&rsquo;asth\u00e9nozoospermie, l&rsquo;oligozoospermie et la t\u00e9ratozoospermie.<\/p>\n<\/div><div class=\"fusion-clearfix\"><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":730,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-739","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Causes ext\u00e9rieures - ConceptionPLUS<\/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:\/\/conceptionplus.ca\/fr\/patient-information\/reasons-for-subfertility\/external-causes\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Causes ext\u00e9rieures - 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