{"id":106394,"date":"2021-04-06T16:26:24","date_gmt":"2021-04-06T14:26:24","guid":{"rendered":"https:\/\/ivi-fertility.com\/?p=106394"},"modified":"2024-09-23T17:09:30","modified_gmt":"2024-09-23T15:09:30","slug":"cycle-day-frozen-embryo-transfer","status":"publish","type":"post","link":"https:\/\/ivi-fertility.com\/blog\/cycle-day-frozen-embryo-transfer\/","title":{"rendered":"Which cycle day is a frozen embryo transfer?"},"content":{"rendered":"<p>There are many aspects of <strong>frozen embryo transfer<\/strong> which are different to fresh transfer, as well as many similarities.<\/p>\n<p>In this article, we aim to explain some of the differences between these two well-established assisted reproduction techniques. These include differences in the hormonal medication protocols involved and the choices available to the patient for the timing of their treatment, as well as the timing of the subsequent embryo transfer. We also explain how the decision is made about which cycle day the <strong>frozen embryo transfer<\/strong> is made, the symptoms you can expect following the procedure, and the <strong>pregnancy test after an IVF frozen embryo transfer<\/strong>.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_68_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/ivi-fertility.com\/blog\/cycle-day-frozen-embryo-transfer\/#What_is_the_difference_between_fresh_and_frozen_embryo_transfer\" title=\"What is the difference between fresh and frozen embryo transfer?\">What is the difference between fresh and frozen embryo transfer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ivi-fertility.com\/blog\/cycle-day-frozen-embryo-transfer\/#Why_is_the_hormonal_medication_protocol_different\" title=\"Why is the hormonal medication protocol different?\">Why is the hormonal medication protocol different?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/ivi-fertility.com\/blog\/cycle-day-frozen-embryo-transfer\/#Which_day_of_the_cycle_is_the_frozen_embryo_transfer\" title=\"Which day of the cycle is the frozen embryo transfer?\">Which day of the cycle is the frozen embryo transfer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ivi-fertility.com\/blog\/cycle-day-frozen-embryo-transfer\/#What_are_the_symptoms_after_a_frozen_embryo_transfer\" title=\"What are the symptoms after a frozen embryo transfer?\">What are the symptoms after a frozen embryo transfer?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/ivi-fertility.com\/blog\/cycle-day-frozen-embryo-transfer\/#The_pregnancy_test_after_an_IVF_frozen_embryo_transfer\" title=\"The pregnancy test after an IVF frozen embryo transfer\">The pregnancy test after an IVF frozen embryo transfer<\/a><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"What_is_the_difference_between_fresh_and_frozen_embryo_transfer\"><\/span>What is the difference between fresh and frozen embryo transfer?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/ivi-fertility.com\/assisted-reproduction-treatments\/in-vitro-fertilisation\/\">In vitro fertilisation (IVF)<\/a> starts the same way for everyone. The patient is given hormonal medication to stimulate the ovaries to produce more than the normal single egg per menstrual cycle. When they are mature, these eggs are retrieved for fertilisation in the laboratory. They are then observed while they develop for five to six days to the blastocyst stage. This is where the choices can be made.<\/p>\n<ul>\n<li>If there is a medical need for various types of genetic testing, the tests are carried out after five days of development. After the biopsy, it can take 10 to 15 days for results to be available. All of the blastocysts are therefore frozen awaiting results. When these are available, a genetically healthy embryo is selected for transfer to the uterus. Although the time lapse is brief, this still qualifies as a <strong>frozen embryo transfer<\/strong>.<\/li>\n<li>For some patients, it is advisable to \u2018rest\u2019 between the ovarian stimulation\/egg collection stage and the subsequent embryo transfer. This is to allow recovery from the hormonal stimulation and allow the lining of the uterus time to return to a more natural state where it can be more receptive to an embryo. During this time, the embryos are frozen for a period of one or more menstrual cycles.<\/li>\n<li>You may choose to freeze all of the embryos resulting from your IVF treatment because of your personal circumstances, to await a suitable time to start or extend your family. This means that you will have access to embryos that date from a younger age, no matter how long you choose to wait.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Why_is_the_hormonal_medication_protocol_different\"><\/span>Why is the hormonal medication protocol different?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>There is no one-size-fits-all protocol for IVF treatment for either type of transfer because the particular responses and needs of each patient are different. The exact treatment will be decided in our clinic by your medical team. However, in general terms, there are some significant differences in the type of medication required.<\/p>\n<ul>\n<li>For a normal IVF cycle, usually 10 to 15 days of hormonal treatment is needed to stimulate the ovaries. Once an ultrasound scan confirms that they have reached the optimum stage of development (follicle size being 16 mm), a dose of the hCG hormone is given. This induces maturation of the oocytes and 36 hours later, the eggs are collected. During the five to six days that they develop under observation, the patient\u2019s uterus is prepared with further hormonal medication to ensure the right environment to support a pregnancy.<\/li>\n<li>Up to the point of egg retrieval, fertilisation and five to six days\u2019 development, the medication is the same. However, if the medical plan is to freeze all of the embryos for any of the reasons outlined above, there is no need for the second stage of preparing the uterus lining to receive an embryo. It can therefore be left to rest and recover its normal and natural hormonal balance.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Which_day_of_the_cycle_is_the_frozen_embryo_transfer\"><\/span>Which day of the cycle is the frozen embryo transfer?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>A cycle of <strong>frozen embryo transfer<\/strong> begins at the end of your menstrual cycle, that is, after your period. Hormonal medication, usually a GnRH agonist, supresses your normal ovulation process. When your period arrives, and blood tests confirm that conditions are right, oestrogen supplementation is given for about two weeks to help create a healthy endometrium. Further monitoring follows, but overall, the monitoring regime is less than that required for a normal IVF cycle.<\/p>\n<p>Progesterone support is added after around two weeks of oestrogen supplementation. The day of transfer depends on the day that the progesterone starts, and the number of days\u2019 development of the embryo before it was frozen. For example, a five-day embryo transfer would be made on day six after the beginning of progesterone support.\u00a0The choice of day is therefore a matter for you and your medical team to decide in advance.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_are_the_symptoms_after_a_frozen_embryo_transfer\"><\/span>What are the symptoms after a frozen embryo transfer?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The actual embryo transfer is a simple procedure and does not require any anaesthetic. Afterwards you can return home as normal. You may experience a slight vaginal discharge or bleeding and mild pain. These symptoms are common and do not indicate whether the procedure has been successful or not. The only way you can find out for sure is with a pregnancy test.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"The_pregnancy_test_after_an_IVF_frozen_embryo_transfer\"><\/span>The pregnancy test after an IVF frozen embryo transfer<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In the case of a fresh IVF cycle, the pregnancy test must always be done via a blood test. This is because the hormone that a home pregnancy test measures in your urine, human chorionic gonadotropin (hCG) could well be distorted by the dose of hCG administered 36 hours before egg collection. A <strong>frozen embryo transfer<\/strong> does not include this step and so a home test is less recommended.<\/p>\n<p>However, your hormone balance can still be unsettled by the oestrogen and progesterone involved in a <strong>frozen embryo transfer<\/strong>. This is why we always recommend that you complete the process with a blood test to confirm pregnancy, usually 11 days after the transfer. We know the <a href=\"https:\/\/ivi-fertility.com\/blog\/the-two-week-wait\/\">two-week wait<\/a> is difficult but, with a <a href=\"https:\/\/ivi-fertility.com\/faqs\/success-rates\/\">success rate of 95% overall<\/a>, including both fresh and <strong>frozen embryo transfer<\/strong>, there\u2019s an excellent chance it will be worth it in the end!<\/p>\n","protected":false},"excerpt":{"rendered":"There are many aspects of frozen embryo transfer which are different to fresh transfer, as well as many similarities. In this article, we aim to explain some of the differences between these two well-established assisted reproduction techniques. These include differences in the hormonal medication protocols involved and the choices available to the patient for the&#8230; <a class=\"view-article\" href=\"https:\/\/ivi-fertility.com\/blog\/cycle-day-frozen-embryo-transfer\/\">View Article<\/a>","protected":false},"author":34,"featured_media":106395,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[15,17],"tags":[270],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which cycle day is a frozen embryo transfer? - IVI Fertility<\/title>\n<meta name=\"description\" content=\"How is made the decision about which cycle day the frozen embryo transfer will take place? 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