{"id":8463,"date":"2022-07-07T07:34:13","date_gmt":"2022-07-07T06:34:13","guid":{"rendered":"https:\/\/now-fertility.com\/quest-ce-que-le-pgt-et-en-avons-nous-besoin\/"},"modified":"2023-09-21T13:05:48","modified_gmt":"2023-09-21T12:05:48","slug":"quest-ce-que-le-pgt-et-en-avons-nous-besoin","status":"publish","type":"post","link":"https:\/\/now-fertility.com\/fr\/quest-ce-que-le-pgt-et-en-avons-nous-besoin\/","title":{"rendered":"Qu\u2019est-ce que le PGT et en avons-nous besoin?"},"content":{"rendered":"<p>Les patients atteints de fertilit\u00e9 posent souvent des questions sur <a href=\"https:\/\/now-fertility.com\/services\/genetic-testing-pgt\/\">les tests g\u00e9n\u00e9tiques pr\u00e9implantatoires (PGT)<\/a> et si c\u2019est quelque chose qui leur sera b\u00e9n\u00e9fique. Voici un peu plus de d\u00e9tails sur ce que c\u2019est et pourquoi cela pourrait \u00eatre n\u00e9cessaire&#8230; mais bien s\u00fbr, vous devriez toujours parler \u00e0 votre consultant en fertilit\u00e9 avant de d\u00e9cider de toute proc\u00e9dure suppl\u00e9mentaire.<\/p>\n<p>PGT examine les embryons avant leur \u00e9ventuel transfert dans l\u2019ut\u00e9rus de la femme afin d\u2019identifier les embryons qui peuvent ne pas s\u2019implanter et de faire une fausse couche, et \/ ou d\u2019identifier les d\u00e9fauts g\u00e9n\u00e9tiques h\u00e9r\u00e9ditaires qui pourraient causer la mort ou une maladie chronique.<\/p>\n<p>Il existe trois types diff\u00e9rents de PGT:<\/p>\n<ul>\n<li>D\u00e9pistage g\u00e9n\u00e9tique pr\u00e9implantatoire du nombre anormal de chromosomes \u2013 <strong>PGT-A<\/strong><\/li>\n<li>Tests g\u00e9n\u00e9tiques pr\u00e9implantatoires pour les maladies monog\u00e9niques \u2013 <strong>PGT-M<\/strong><\/li>\n<li>Arrangement structurel des tests g\u00e9n\u00e9tiques pr\u00e9implantatoires \u2013 <strong>PGT-SR<\/strong> pour les arrangements chromosomiques connus, tels que l\u2019inversion et la translocation<\/li>\n<\/ul>\n<h3>PGT-A<\/h3>\n<p>Votre sp\u00e9cialiste de la fertilit\u00e9 peut recommander ce test s\u2019il y a des ant\u00e9c\u00e9dents de probl\u00e8mes chromosomiques dans votre famille, si votre sperme est \u00e0 risque de porter des chromosomes anormaux ou si vous avez connu plusieurs grossesses infructueuses ou tentatives de FIV. Il est \u00e9galement souvent recommand\u00e9 aux femmes de plus de 37 ans pr\u00e9sentant l\u2019un de ces facteurs de risque.<\/p>\n<h3>PGT-M<\/h3>\n<p>Ce test recherche une mutation g\u00e9n\u00e9tique sp\u00e9cifique commune \u00e0 des troubles tels que la maladie de Huntingdon, la fibrose kystique, le syndrome de l\u2019X fragile et la dystrophie musculaire.<\/p>\n<h3>PGT-SR<\/h3>\n<p>Les embryons avec un r\u00e9arrangement structurel chromosomique sont moins susceptibles d\u2019entra\u00eener une naissance vivante, de sorte que le test de cette condition peut aider \u00e0 pr\u00e9venir les fausses couches r\u00e9p\u00e9t\u00e9es.<\/p>\n<h3>Comment le PGT est-il effectu\u00e9?<\/h3>\n<p>Votre m\u00e9decin pr\u00e9l\u00e8vera un minuscule \u00e9chantillon de cellules d\u2019un embryon de cinq ou six jours, qui seront ensuite analys\u00e9es en laboratoire avec des r\u00e9sultats g\u00e9n\u00e9ralement disponibles en quelques jours. En attendant, l\u2019embryon est congel\u00e9 imm\u00e9diatement apr\u00e8s la biopsie pour attendre le r\u00e9sultat du test. Si tout va bien, il peut alors \u00eatre d\u00e9congel\u00e9 et transf\u00e9r\u00e9 dans l\u2019ut\u00e9rus.<\/p>\n<h3>Y a-t-il des risques pour le PGT?<\/h3>\n<p>Le PGT comporte un faible risque car la manipulation, la biopsie cellulaire, la cong\u00e9lation et la d\u00e9cong\u00e9lation peuvent entra\u00eener l\u2019instination de l\u2019embryon. De plus, bien s\u00fbr, le test n\u2019est pas pr\u00e9cis \u00e0 100%, ce qui signifie que nous recommandons \u00e9galement que les patients atteints de fertilit\u00e9 subissent des tests pr\u00e9nataux habituels pendant la grossesse, tels que l\u2019amniocent\u00e8se.<\/p>\n<h3>R\u00e9servez une consultation avec NOW-fertility<\/h3>\n<p>Si vous \u00eates pr\u00eat \u00e0 commencer votre voyage, r\u00e9servez une consultation avec l\u2019un de nos consultants en fertilit\u00e9 exp\u00e9riment\u00e9s.<\/p>\n<div class=\"elementor-element elementor-element-63de0fa0 elementor-widget__width-auto elementor-widget elementor-widget-button\" data-id=\"63de0fa0\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n<div class=\"elementor-widget-container\">\n<div class=\"elementor-button-wrapper\"><a class=\"elementor-button-link elementor-button elementor-size-sm\" role=\"button\" href=\"\/consultation\/\"><span class=\"elementor-button-content-wrapper\"><span class=\"elementor-button-text\">R\u00c9SERVEZ UNE CONSULTATION<\/span><\/span><\/a><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Les patients atteints de fertilit\u00e9 posent souvent des questions sur les tests g\u00e9n\u00e9tiques pr\u00e9implantatoires (PGT) et si c\u2019est quelque chose qui leur sera b\u00e9n\u00e9fique. Voici un peu plus de d\u00e9tails sur ce que c\u2019est et pourquoi cela pourrait \u00eatre n\u00e9cessaire&#8230; mais bien s\u00fbr, vous devriez toujours parler \u00e0 votre consultant en fertilit\u00e9 avant de d\u00e9cider [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8458,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"enabled","header-above-stick-meta":"on","header-main-stick-meta":"on","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[33,95],"tags":[],"class_list":["post-8463","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog-fr","category-traitement"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Qu\u2019est-ce que le PGT et en avons-nous besoin? - NOW-fertility<\/title>\n<meta name=\"description\" content=\"Qu\u2019est-ce que le test g\u00e9n\u00e9tique pr\u00e9implantatoire (PGT), pourquoi peut-il \u00eatre n\u00e9cessaire et comment le PGT profite-t-il aux patients de fertilit\u00e9? 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