{"id":4839,"date":"2023-08-21T08:01:15","date_gmt":"2023-08-21T08:01:15","guid":{"rendered":"https:\/\/ivfathenscenter.gr\/embryo-blastocyst-hatching\/"},"modified":"2024-10-16T06:27:15","modified_gmt":"2024-10-16T06:27:15","slug":"embryons-blastocystes","status":"publish","type":"page","link":"https:\/\/ivfathenscenter.gr\/fr\/fiv\/embryons-blastocystes\/","title":{"rendered":"\u00c9closion Assist\u00e9e Des Embryons Blastocystes"},"content":{"rendered":"\r\n<section class=\"title-section  with-desc\" >\r\n    <div class=\"ivf-container\">\r\n        <div class=\"page-title-wrap \">\r\n            <div>\r\n                <h1 class=\"h2 page-title\">\u00c9closion Assist\u00e9e Des Embryons Blastocystes<\/h1>\r\n                                    <div class=\"page-desc\">\r\n                        <p><p>La lib\u00e9ration de l\u2019embryon de son enveloppe protectrice (zone pellucide) est une \u00e9tape cruciale de son d\u00e9veloppement et peut \u00eatre assist\u00e9e, si n\u00e9cessaire, pour augmenter les chances d\u2019implantation.<\/p>\n<\/p>\r\n                    <\/div>\r\n                            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/section>\r\n\n\n\n<section class=\" services-content\">\n\n    \n    <div class=\"ivf-container  ivf-small-container section-content-wrap split\">\n\n                    <div class=\"image \">\n                <img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/ivfathenscenter.gr\/wp-content\/uploads\/2023\/08\/embryo-blastocyst.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/ivfathenscenter.gr\/wp-content\/uploads\/2023\/08\/embryo-blastocyst.png 1000w, https:\/\/ivfathenscenter.gr\/wp-content\/uploads\/2023\/08\/embryo-blastocyst-300x300.png 300w, https:\/\/ivfathenscenter.gr\/wp-content\/uploads\/2023\/08\/embryo-blastocyst-150x150.png 150w, https:\/\/ivfathenscenter.gr\/wp-content\/uploads\/2023\/08\/embryo-blastocyst-768x768.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>            <\/div>\n        \n        <div class=\"text\">\n            <p class=\"text__desc\">\n                <p><iframe loading=\"lazy\" src=\"https:\/\/www.youtube.com\/embed\/DKlQyTQt-aQ\" width=\"484\" height=\"273\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n<p>&nbsp;<\/p>\n<p>La zone pellucide (ZP) prot\u00e8ge l&rsquo;ovule et l&#8217;embryon en d\u00e9veloppement des infections et maintient les cellules initiales (blastom\u00e8res) ensemble pendant qu&rsquo;elles sont encore autonomes. Au fur et \u00e0 mesure que l&#8217;embryon se d\u00e9veloppe au-del\u00e0 du stade de morula (environ au 4e jour de d\u00e9veloppement, 87 \u00e0 96 heures apr\u00e8s la f\u00e9condation), les blastom\u00e8res fusionnent et la ZP commence \u00e0 s&rsquo;amincir. Apr\u00e8s l&rsquo;implantation, l&#8217;embryon en croissance a atteint le stade blastocyste et \u00e9clos en se lib\u00e9rant de la ZP.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\">La zone pellucide d\u00e9g\u00e9n\u00e8re et se d\u00e9compose, pour \u00eatre remplac\u00e9e par la couche sous-jacente de cellules <a href=\"https:\/\/en.wikipedia.org\/wiki\/Trophoblast\" target=\"_blank\" rel=\"noopener\">trophoblastiques<\/a>, et le processus de la grossesse commence.\u00a0<\/span><\/p>\n<p>&nbsp;<\/p>\n<p>On soup\u00e7onne qu\u2019en raison des techniques de FIV (maturation multiple des follicules, m\u00e9dicaments, vitrification et r\u00e9chauffement), de l\u2019\u00e2ge de la femme, etc., la ZP est beaucoup plus solide, rendant l\u2019\u00e9closion naturelle plus difficile.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400\">C&rsquo;est pourquoi, \u00e0 l\u2019IVF Athens Center, dans la plupart des cycles de FIV, nous effectuons une ouverture artificielle de la zone, par une technique appel\u00e9e <strong><span style=\"color: #b02e85\">\u00ab\u00a0assisted hatching\u00a0\u00bb<\/span><\/strong> (\u00e9closion assist\u00e9e). <\/span><\/p>\n<p>&nbsp;<\/p>\n<p>Cette technique n&rsquo;est ni invasive ni nocive, elle se d\u00e9roule sous un microscope invers\u00e9 \u00e0 l&rsquo;aide de lentilles laser sp\u00e9cifiques et est appliqu\u00e9e avant le transfert d&#8217;embryon, soit au jour 3 (stade de clivage) soit au jour 5 (stade blastocyste) de d\u00e9veloppement. La m\u00eame m\u00e9thode est \u00e9galement utilis\u00e9e dans les cas de PGT car l\u2019ouverture de la zone est absolument n\u00e9cessaire pour retirer les blastom\u00e8res \u00e0 des fins de tests g\u00e9n\u00e9tiques.<\/p>\n<p>&nbsp;<\/p>\n<p>Il a \u00e9t\u00e9 rapport\u00e9 dans la bibliographie que <strong><span style=\"color: #b02e85\">l&rsquo;\u00e9closion assist\u00e9e<\/span><\/strong> augmente les taux de grossesse.<\/p>\n            <\/p>\n        <\/div>\n\n        \n    <\/div>\n\n        \n<\/section>\n\n\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":6298,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-4839","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/pages\/4839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/comments?post=4839"}],"version-history":[{"count":4,"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/pages\/4839\/revisions"}],"predecessor-version":[{"id":6771,"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/pages\/4839\/revisions\/6771"}],"up":[{"embeddable":true,"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/pages\/6298"}],"wp:attachment":[{"href":"https:\/\/ivfathenscenter.gr\/fr\/wp-json\/wp\/v2\/media?parent=4839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}