{"id":6720,"date":"2017-01-12T01:53:13","date_gmt":"2017-01-12T09:53:13","guid":{"rendered":"https:\/\/www.avawomen.com\/?p=6720\/"},"modified":"2018-10-15T09:40:54","modified_gmt":"2018-10-15T16:40:54","slug":"die-aussagekraft-eines-gentests","status":"publish","type":"post","link":"http:\/\/www.avawomen.com\/avaworld\/de\/die-aussagekraft-eines-gentests\/","title":{"rendered":"Die Aussagekraft eines Gentests"},"content":{"rendered":"<p>Wenn Du und dein Partner einen Termin f\u00fcr einen Gentest vereinbart, werdet Ihr wahrscheinlich aufgefordert, einige Dokumente auszuf\u00fcllen und Fragen zur Gesundheit in der Familie zu beantworten. Das Tr\u00e4ger-Screening kann entweder \u00fcber einen Bluttest oder \u00fcber einen Speicheltest durchgef\u00fchrt werden. Vom Mann wird Sperma gesammelt, das in einem Labor untersucht wird.<\/p>\n<p>In den meisten F\u00e4llen kann der genetische Berater erkennen, wer von Euch das gr\u00f6\u00dfte Risiko f\u00fcr einen Gendefekt hat: Du oder dein Partner. Dann ist eventuell gar kein Gentest mehr erforderlich. Wenn sich jedoch herausstellt, dass ein Partner Tr\u00e4ger ist, muss der andere ebenfalls getestet werden, damit erkannt wird, wie wahrscheinlich eine St\u00f6rung an das Kind weitergegeben wird.<\/p>\n<p>Der genetische Berater erl\u00e4utert dir die Ergebnisse und die Wahrscheinlichkeit, dass Du und dein Partner ein Kind mit einer genetischen St\u00f6rung zur Welt bringen werdet. Wenn beide Elternteile Tr\u00e4ger sind, liegt die Wahrscheinlichkeit, dass das Baby einen Gendefekt hat, bei 25 Prozent. Die Wahrscheinlichkeit, dass das Kind Tr\u00e4ger ist (wie die Tr\u00e4ger-Eltern hat es in diesem Fall das defekte Gen, zeigt aber keine Anzeichen einer St\u00f6rung), liegt bei 50 Prozent. Wenn ein Elternteil Tr\u00e4ger ist, aber das andere Elternteil kein Gen f\u00fcr eine bestimmte St\u00f6rung hat, liegt die Wahrscheinlich, dass das Kind Tr\u00e4ger wird, bei 50 Prozent. Die Wahrscheinlichkeit, dass es Anzeichen der St\u00f6rung zeigt, betr\u00e4gt in diesem Fall 0 Prozent. Dennoch musst Du dir dar\u00fcber im Klaren sein, dass es keine Garantie daf\u00fcr gibt, dass die Tests vollst\u00e4ndig aussagef\u00e4hig sind. Es besteht immer ein geringes Risiko, dass eine Mutation \u00fcbersehen wird, da die Tests nie zu 100 Prozent genau sein k\u00f6nnen.<\/p>\n<p>Genauso wahrscheinlich ist es aber auch, beim Tr\u00e4ger-Screening ein falsches positives oder ein falsches negatives Ergebnis zu erzielen.[1.The American College of Obstetricians and Gynecologists. (2015). <em>Preconception Carrier Screening. <\/em>Retrieved from https:\/\/www.acog.org\/-\/media\/For-Patients\/faq179.pdf?dmc=1&amp;ts=20151009T1204498329] Der Grund daf\u00fcr ist, dass das Tr\u00e4ger-Screening ein sehr komplexer Test ist. Die \u00c4rzte m\u00fcssen nicht nur auf eine bestimmte Genmutation achten, um zu erkennen, ob ein Person Tr\u00e4ger ist. Allein beim sehr umfassenden Mukoviszidosetest werden Blut- oder Speichelproben auf 97 der bekanntesten Mutationen getestet, die im Zusammenhang mit der Krankheit stehen. Doch ein Mensch kann eine von 2 000 Mutationen haben. Bei den meisten Tests werden 95-99 Prozent der Tr\u00e4ger erkannt. Aus diesem Grund kann dir auch der genetische Berater am besten und genauesten sagen, ob Du eine Mutation weitergeben k\u00f6nntest.[2.Revelant, Julie. (2012, March 7).\u00a0 <em>5 things you should know about genetic testing<\/em>. Fox News. Retrieved from https:\/\/www.foxnews.com\/health\/2012\/03\/07\/5-things-should-know-about-genetic-testing\/] [avafootnote]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wenn Du und dein Partner einen Termin f\u00fcr einen Gentest vereinbart, werdet Ihr wahrscheinlich aufgefordert, [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[912,138],"tags":[238,239,113,234],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v17.3 (Yoast SEO v18.8) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Die Aussagekraft eines Gentests - Ava<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.avawomen.com\/avaworld\/die-aussagekraft-eines-gentests\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Die Aussagekraft eines Gentests\" \/>\n<meta property=\"og:description\" content=\"Wenn Du und dein Partner einen Termin f\u00fcr einen Gentest vereinbart, werdet Ihr wahrscheinlich aufgefordert, [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.avawomen.com\/avaworld\/de\/die-aussagekraft-eines-gentests\/\" \/>\n<meta property=\"og:site_name\" content=\"Ava\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/avabracelet\" \/>\n<meta property=\"article:published_time\" content=\"2017-01-12T09:53:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-10-15T16:40:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/avablog-assets-production.s3.amazonaws.com\/wp-offloaded-content\/160602_Ava_Logo_Favicon_512x512px.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"512\" \/>\n\t<meta property=\"og:image:height\" content=\"512\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@avawomen\" \/>\n<meta name=\"twitter:site\" content=\"@avawomen\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Sharee Loeffler\" \/>\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\":\"Organization\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#organization\",\"name\":\"Ava Women\",\"url\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/\",\"sameAs\":[\"https:\/\/www.facebook.com\/avabracelet\",\"https:\/\/instagram.com\/avawomen\/\",\"https:\/\/www.linkedin.com\/company\/ava-ag\",\"https:\/\/www.youtube.com\/channel\/UCZ1BceGFRgHo0kIZGaRWHsQ\",\"https:\/\/www.pinterest.com\/avawomen\/\",\"https:\/\/twitter.com\/avawomen\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.avawomen.com\/avaworld\/wp-content\/uploads\/2015\/12\/Logo_Ava_black_violet_rgb1.png\",\"contentUrl\":\"https:\/\/www.avawomen.com\/avaworld\/wp-content\/uploads\/2015\/12\/Logo_Ava_black_violet_rgb1.png\",\"width\":300,\"height\":80,\"caption\":\"Ava Women\"},\"image\":{\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#\/schema\/logo\/image\/\"}},{\"@type\":\"WebSite\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#website\",\"url\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/\",\"name\":\"Ava\",\"description\":\"Fertility Tracker\",\"publisher\":{\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"http:\/\/www.avawomen.com\/avaworld\/fr\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/de\/die-aussagekraft-eines-gentests\/#webpage\",\"url\":\"http:\/\/www.avawomen.com\/avaworld\/de\/die-aussagekraft-eines-gentests\/\",\"name\":\"Die Aussagekraft eines Gentests - 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