{"id":14927,"date":"2022-04-28T17:10:41","date_gmt":"2022-04-28T16:10:41","guid":{"rendered":"https:\/\/www.dexeuscampus.com\/blog\/uncategorized\/embryo-transfer-at-the-blastocyst-stage-improves-pregnancy-and-live-birth-rates-in-egg-donation-treatments\/"},"modified":"2024-05-13T11:35:19","modified_gmt":"2024-05-13T10:35:19","slug":"embryo-transfer-blastocyst-rates-oocyte-donation","status":"publish","type":"post","link":"https:\/\/www.dexeuscampus.com\/en\/blog\/assisted-reproduction\/embryo-transfer-blastocyst-rates-oocyte-donation\/","title":{"rendered":"Embryo transfer at the blastocyst stage improves pregnancy and live-birth rates in egg donation treatments"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"14927\" class=\"elementor elementor-14927 elementor-14853\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-df2dc4b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"df2dc4b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5956679\" data-id=\"5956679\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6d795bd elementor-widget elementor-widget-text-editor\" data-id=\"6d795bd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>The study, led by the biologist Dr Elisabet Clua, head of the Oocyte and Embryo Donation Programme at Dexeus Mujer, was carried out at this centre between April 2017 and August 2018. The sample of women under study were recipients of donated oocytes, aged between 18 and 50 years, in their first or second synchronous cycle (excluding PGT-A cycles, patients with recurrent implantation failure, as well as patients with partners presenting with a severe male factor).<\/p>\n<p>The main variable was the cumulative live-birth rate within 12 months after the first embryo transfer (i.e., considering the transfer of fresh and cryopreserved embryos). In addition, the period of time between the first embryo transfer and the first child being born, as well as the cost per child born, were also considered. A total of 134 recipients were randomly included in either the day-3 transfer group (D3, n=69) or in the day-5 transfer group (D5, n=65).<\/p>\n<p>According to the results, in the blastocyst transfer group, there was a 15.9% relative increase in the cumulative live-birth rate. The time to birth was significantly shorter compared to the D3 group. To reach a 50% cumulative live-birth rate, the D3 group needed 6 months more than the D5 group (15.3 vs. 8.9 months, respectively). Moreover, the average cost in the D3 strategy was 24% higher than in the D5 strategy (14,817.1 euros vs. 10,959.2 euros) and the clinical pregnancy rate was approximately 25% lower in the D3 group.<\/p>\n<p>According to the authors, the study demonstrates that blastocyst-stage embryo transfer in recipients of donated oocytes is the preferred option, as it leads to a higher live-birth rate, shorter time to birth and lower costs to achieve a pregnancy, compared to the transfer of early-stage embryos.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-17c83b4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"17c83b4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5cb6be9\" data-id=\"5cb6be9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4d8dda1 elementor-widget elementor-widget-text-editor\" data-id=\"4d8dda1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Reference article:<\/strong><\/p>\n\n<p style=\"font-size: 16px; font-style: italic;\"><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S1472648322000281\" target=\"_blank\" style=\"color: #4f91cd; text-decoration: underline;\" title=\"Blastocyst transfer increases cumulative-live-birth-rates and reduces time and cost to livebirth compared with cleavage stage in recipients of donated oocytes. A randomized controlled trial\">Blastocyst transfer increases cumulative-live-birth-rates and reduces time and cost to livebirth compared with cleavage stage in recipients of donated oocytes. A randomized controlled trial<\/a><br>Clua E. Rodr\u00edguez I., Arroyo G., Racca A., Mart\u00ednez F., Polyzos, N.<br>Reproductive Biomedicine online, January 08, 2022.<br>DOI: <a href=\"https:\/\/doi.org\/10.1016\/j.rbmo.2022.01.001\" target=\"_blank\" style=\"color: #4f91cd; text-decoration: underline;\" title=\"https:\/\/doi.org\/10.1016\/j.rbmo.2022.01.001\">https:\/\/doi.org\/10.1016\/j.rbmo.2022.01.001<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>The study, led by the biologist Dr Elisabet Clua, head of the Oocyte and Embryo Donation Programme at Dexeus Mujer, was carried out at this centre between April 2017 and August 2018. The sample of women under study were recipients\u2026<\/p>\n","protected":false},"author":3,"featured_media":14863,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[205],"tags":[],"class_list":["post-14927","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-assisted-reproduction"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Embryo transfer at the blastocyst stage improves pregnancy and live-birth rates in egg donation treatments - Dexeus Campus<\/title>\n<meta name=\"description\" content=\"The study, led by the biologist Dr Elisabet Clua, head of the Oocyte and Embryo Donation Programme at Dexeus Mujer, was carried out at this centre between April 2017 and August 2018. 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The sample of women under study were recipients\u2026\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dexeuscampus.com\/en\/blog\/assisted-reproduction\/embryo-transfer-blastocyst-rates-oocyte-donation\/\" \/>\n<meta property=\"og:site_name\" content=\"Dexeus Campus\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/CampusDexeus\" \/>\n<meta property=\"article:published_time\" content=\"2022-04-28T16:10:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-13T10:35:19+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.dexeuscampus.com\/wp-content\/uploads\/2022\/04\/transferencia-embrionaria-blastocisto-tasas-ovodonacion.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"658\" \/>\n\t<meta property=\"og:image:height\" content=\"611\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Daniel G\u00e1miz Rivas\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DexeusCampus\" \/>\n<meta name=\"twitter:site\" content=\"@DexeusCampus\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Daniel G\u00e1miz Rivas\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/\"},\"author\":{\"name\":\"Daniel G\u00e1miz Rivas\",\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/#\\\/schema\\\/person\\\/48ba4a583d4098b26216190def081203\"},\"headline\":\"Embryo transfer at the blastocyst stage improves pregnancy and live-birth rates in egg donation treatments\",\"datePublished\":\"2022-04-28T16:10:41+00:00\",\"dateModified\":\"2024-05-13T10:35:19+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/\"},\"wordCount\":339,\"publisher\":{\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.dexeuscampus.com\\\/wp-content\\\/uploads\\\/2022\\\/04\\\/transferencia-embrionaria-blastocisto-tasas-ovodonacion.jpg\",\"articleSection\":[\"Assisted reproduction\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/\",\"url\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/\",\"name\":\"Embryo transfer at the blastocyst stage improves pregnancy and live-birth rates in egg donation treatments - Dexeus Campus\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.dexeuscampus.com\\\/en\\\/blog\\\/assisted-reproduction\\\/embryo-transfer-blastocyst-rates-oocyte-donation\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.dexeuscampus.com\\\/wp-content\\\/uploads\\\/2022\\\/04\\\/transferencia-embrionaria-blastocisto-tasas-ovodonacion.jpg\",\"datePublished\":\"2022-04-28T16:10:41+00:00\",\"dateModified\":\"2024-05-13T10:35:19+00:00\",\"description\":\"The study, led by the biologist Dr Elisabet Clua, head of the Oocyte and Embryo Donation Programme at Dexeus Mujer, was carried out at this centre between April 2017 and August 2018. 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