{"id":6312,"date":"2020-06-15T12:00:00","date_gmt":"2020-06-15T12:00:00","guid":{"rendered":"https:\/\/olgafertilityclinic.com\/results_with_frozen_eggs\/"},"modified":"2020-06-15T12:00:00","modified_gmt":"2020-06-15T12:00:00","slug":"results_with_frozen_eggs","status":"publish","type":"page","link":"https:\/\/olgafertilityclinic.com\/se\/egg\/cryobank_of_donor_eggs\/results_with_frozen_eggs\/","title":{"rendered":"Resultat med frysta \u00e4gg"},"content":{"rendered":"<h2><span style=\"color: rgb(85, 85, 85); font-family: Arial, sans-serif; font-size: 15px; line-height: 21px;\">Kryokonservering &auml;r en process d&auml;r <\/span><a rel=\"nofollow noopener noreferrer\" href=\"http:\/\/sv.wikipedia.org\/wiki\/Cell\" style=\"font-family: Arial, sans-serif; font-size: 15px; line-height: 21px;\" target=\"_blank\">celler<\/a><span style=\"color: rgb(85, 85, 85); font-family: Arial, sans-serif; font-size: 15px; line-height: 21px;\"> eller hela <\/span><a rel=\"nofollow noopener noreferrer\" href=\"http:\/\/sv.wikipedia.org\/wiki\/V%C3%A4vnad\" style=\"font-family: Arial, sans-serif; font-size: 15px; line-height: 21px;\" target=\"_blank\">v&auml;vnader<\/a><span style=\"color: rgb(85, 85, 85); font-family: Arial, sans-serif; font-size: 15px; line-height: 21px;\"> konserveras genom kylning till&nbsp;minusgrader, vanligtvis 77 Kelvin (-196 grader Celsius, som &auml;r kokpunkten f&ouml;r <\/span><a rel=\"nofollow noopener noreferrer\" href=\"http:\/\/sv.wikipedia.org\/wiki\/Flytande_kv%C3%A4ve\" style=\"font-family: Arial, sans-serif; font-size: 15px; line-height: 21px;\" target=\"_blank\">flytande kv&auml;ve<\/a><span style=\"color: rgb(85, 85, 85); font-family: Arial, sans-serif; font-size: 15px; line-height: 21px;\">). Vid dessa kalla temperaturer stoppas effektivt all biologisk aktivitet, inklusive de biokemiska reaktioner som skulle leda till&nbsp;celld&ouml;d. Kryokonservering anv&auml;nds i fertilitetsprogram f&ouml;r att&nbsp;frysa och f&ouml;rvara spermier, &auml;gg och embryon fr&aring;n IVF-behandlingscykler.<\/span><\/h2>\n<p>Tekniken som anv&auml;nds f&ouml;r kryokonservering av &auml;gg kallas <a rel=\"nofollow noopener noreferrer\" href=\"http:\/\/en.wikipedia.org\/wiki\/Vitrification_in_cryopreservation#methods\" target=\"_blank\">vitrifiering.<\/a><\/p>\n<p>Vitrifiering (snabb djupfrysning) kr&auml;ver vanligtvis tillsats av <a rel=\"nofollow noopener noreferrer\" href=\"http:\/\/en.wikipedia.org\/wiki\/Cryoprotectant\" target=\"_blank\">kryoskyddsmedel<\/a> f&ouml;re frysningen. Kryoskyddsmedlen fungerar ungef&auml;r som antifrysmedel i bilars kylare: de s&auml;nker frystemperaturen och &ouml;kar viskositeten. I st&auml;llet f&ouml;r att&nbsp;kristallisera f&ouml;rvandlas den sirapsliknande l&ouml;sningen till&nbsp;en amorf is &ndash; den vitrifierar.<\/p>\n<p>Oron f&ouml;r kvaliteten p&aring; de omogna &auml;ggen efter vitrifiering och tining f&ouml;rsvann efter en serie av oberoende studier som visade att&nbsp;det inte fanns n&aring;gon &ouml;kad risk f&ouml;r aneuploidi(kromosomavvikelse) och ingen minskning i andelen lyckade inplanteringar [1]. Ytterligare rapporter kring andelen konstaterade graviditeter visade p&aring; helt j&auml;mf&ouml;rbara resultat med anv&auml;ndandet av f&auml;rska &auml;gg [2, 3, 4]. Andelen missbildningar hos de f&ouml;dda barnen &auml;r j&auml;mf&ouml;rbar med f&ouml;rekomsten hos barn som kommit till&nbsp;p&aring; naturlig v&auml;g. Det bekr&auml;ftar att&nbsp;vitrifiering av &auml;gg inte &auml;r kopplat till&nbsp;&ouml;kade risker f&ouml;r negativa konsekvenser f&ouml;r de nyf&ouml;dda barnen.<\/p>\n<p>V&aring;ra resultat ligger i linje med litteraturens data. Under 2012 var v&aring;r andel kliniska graviditeter vid anv&auml;ndning av frysta donator&auml;gg 63 procent, och 62 procent vid anv&auml;ndning av f&auml;rska &auml;gg.<\/p>\n<p>Hos O.L.G.A. Fertility Clinic b&ouml;rjade vi med vitrifiering av &auml;gg under 2008, efter intensiv tr&auml;ning hos professor Kuwayama i Japan. Sedan dess har vi fryst ner &ouml;ver 2 000 donerade &auml;gg i &ouml;ppna system. De f&ouml;rsta barnen som blev till&nbsp;fr&aring;n vitrifierade donerade &auml;gg f&ouml;ddes 2010. Under f&ouml;rsta halvan av 2012 hade vi uppn&aring;tt stabila goda resultat och k&auml;nde oss redo att&nbsp;erbjuda v&aring;ra patienter ett mer regulj&auml;rt program f&ouml;r donation av vitrifierade &auml;gg. H&auml;r ber&auml;ttar vi om v&aring;ra resultat f&ouml;r dig:<\/p>\n<p><span style=\"color: rgb(119, 116, 160); font-family: Roboto, Arial, sans-serif; font-size: 23px; line-height: 26px;\">Tabell 1. Pilotresultat fr&aring;n O.L.G.A. Fertility Clinics &auml;ggdonationsprogram med vitrifierade &auml;gg 2012<\/span><\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<hr \/>\n<p>Antal &ouml;verf&ouml;ringar av f&auml;rska embryon skapade ur vitrifierade donator&auml;gg &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<\/p>\n<hr \/>\n<p>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;<\/p>\n<\/td>\n<td>\n<hr \/>\n<p>&nbsp;55<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Antal tinade &auml;gg<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<td>\n<p>645<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Antal &auml;gg per patient<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<td>\n<p>11,7<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>&Ouml;verlevnadsgrad<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<td>\n<p>83,00%<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Befruktningsgrad<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<td>\n<p>72%<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>% av &auml;ggen som n&aring;dde blastocystfasen f&ouml;r embryo&ouml;verf&ouml;ring eller FR<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<td>\n<p>52%<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p>Andel kliniska graviditeter (45DET+10SET)<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<td>\n<p>63,6% (55)<\/p>\n<hr \/>\n<p>&nbsp;<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Referenser:<\/p>\n<p>1. Eric J. Forman, M.D., Xinying Li, Ph.D.,a Kathleen M. Ferry, B.S., Katherine Scott, M.S., Nathan R. Treff, Ph.D., Richard T. Scott Jr., M.D.(2012) Oocyte vitrification does not increase the risk of embryonic aneuploidy or&nbsp;diminish the implantation potential of blastocysts created after&nbsp;intracytoplasmic sperm injection a novel, paired randomized controlled trial using DNA fingerprinting. Fertility and&nbsp;Sterility Vol. 98, No. 3, September 2012<\/p>\n<p>2. Chen C. (1986) &quot;Pregnancy after&nbsp;human oocyte cryopreservation&quot;. Lancet 1 (8486): 884-886. Retrieved on&nbsp;April 24, 2007<\/p>\n<p>3. Jain, J. et al. (2005) &quot;Oocyte cryopreservation&quot;. Fertility and&nbsp;Sterility 86 (4): 1037-1046. Retrieved on&nbsp;April 24, 2007<\/p>\n<p>4. Grifo J and&nbsp;Noyes N. (2010) Delivery rate using cryopreserved oocytes is comparable to conventional in&nbsp;vitro fertilization using fresh oocytes: potential fertility preservation for&nbsp;female cancer patients. Fertility and&nbsp;Sterility 93:391-396.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kryokonservering &auml;r en process d&auml;r celler eller hela v&auml;vnader konserveras genom kylning till&nbsp;minusgrader, vanligtvis 77 Kelvin (-196 grader Celsius, som &auml;r kokpunkten f&ouml;r flytande kv&auml;ve). Vid dessa kalla temperaturer stoppas effektivt all biologisk aktivitet, inklusive de biokemiska reaktioner som skulle leda till&nbsp;celld&ouml;d. Kryokonservering anv&auml;nds i fertilitetsprogram f&ouml;r att&nbsp;frysa och f&ouml;rvara spermier, &auml;gg och embryon fr&aring;n<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":6308,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"tags":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Resultat med frysta \u00e4gg - O.L.G.A. 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