{"id":6730,"date":"2017-01-12T02:17:07","date_gmt":"2017-01-12T10:17:07","guid":{"rendered":"https:\/\/www.avawomen.com\/?p=6730\/"},"modified":"2018-10-11T10:22:12","modified_gmt":"2018-10-11T17:22:12","slug":"die-befruchtung","status":"publish","type":"post","link":"http:\/\/www.avawomen.com\/avaworld\/de\/die-befruchtung\/","title":{"rendered":"Die Befruchtung"},"content":{"rendered":"<p>Eine Eizelle kann nur unter geeigneten Bedingungen befruchtet werden: Sperma und Eizelle m\u00fcssen gesund sein und die Befruchtung muss zum richtigen Zeitpunkt vor dem Eisprung stattfinden.<\/p>\n<p>Bei der Befruchtung vereinen sich die Chromosomen der Eizelle und des Spermiums. Zu diesem Zeitpunkt ist das Geschlecht der befruchteten Eizelle bereits festgelegt. Ist sie m\u00e4nnlich, hat das Spermium, das die Eizelle befruchtet hat, ein Y-Chromosom. Ist sie weiblich, hat das Spermium zwei X-Chromosomen. Und in der Tat ist in diesem Stadium in diesem Einzellenorganismus bereits der gesamte genetische Code vorhanden. Wenn eine Eizelle befruchtet wurde, wird sie &#8220;Zygote&#8221; genannt.<\/p>\n<p>Die Eizelle schlie\u00dft dann sofort ihre \u00e4u\u00dfere Membran, damit die \u00fcbrigen Spermien (in der Regel haben sich etwa 250 weitere Spermien in die Umgebung der Eizelle bewegt) nicht eindringen k\u00f6nnen. Innerhalb weniger Minuten nach der Befruchtung beginnt die Zelle, sich rasant zu teilen und zu vervielfachen und damit wandelt sich die Zygote in eine Blastozyste. Die so erzeugten Zellen unterst\u00fctzen die Entwicklung des Babys, w\u00e4hrend andere Zellen f\u00fcr die Entwicklung der Nabelschnur, der Fruchtblase und der Plazenta zust\u00e4ndig sind.<\/p>\n<p>Die Einnistung erfolgt, wenn sich die Blastozyste selbst in der Geb\u00e4rmutterschleimhaut festsetzt. Dies kann nur drei oder vier Tage oder aber 10 Tage dauern. Gleichzeitig findet ein Hormonaustausch statt, der die Einnistung der Blastozyste unterst\u00fctzt. Sobald sie sich eingenistet hat, wird die sich entwickelnde, befruchtete Eizelle &#8220;Embryo&#8221; genannt. Die Schwangerschaftsdauer wird ab dem ersten Tag der letzten Regelblutung (LMP &#8211; Last Menstrual Period) gerechnet. Von diesem Tag an dauert die Schwangerschaft etwa 40 Wochen. [1.American Pregnancy Association. (2015 July). \u201c5 Weeks Pregnant: The Fifth Week of Pregnancy.\u201d Retrieved October 31, 2015, from https:\/\/americanpregnancy.org\/week-by-week\/5-weeks-pregnant\/]<\/p>\n<p>Bereits in der ersten Woche der Schwangerschaft verwandelt sich die Einzellen-Zygote in Millionen Zellen. Zu diesem Zeitpunkt gibt es drei Zellgruppen, die aktiv werden. Das Mesoderm bildet die Muskeln, die Nieren, die Fortpflanzungsorgane, den Blutkreislauf und das Skelett aus. Das Ektroderm bildet die Sinne, die Haut und das Nervensystem und das Endoderm das Atmungs- und das Magen-Darm-System aus. In der zweiten Woche gibt der Embryo Hormone ab, wodurch der Menstruationszyklus der Mutter w\u00e4hrend der Schwangerschaft aussetzt. In der dritten Woche beginnt das Herz zu schlagen. In der vierten Woche entwickeln sich Gehirn, Augen, Ohren und eine Mund\u00f6ffnung. Der Embryo pumpt ab jetzt sein eigenes Blut. Au\u00dferdem setzt die Entwicklung der Arme und Beine ein. In dieser Zeit bildet sich auch die Nabelschnur und die Plazenta f\u00e4ngt an zu funktionieren. Die Plazenta ist ein Organ \u00fcber das der sich entwickelnde S\u00e4ugling mit Sauerstoff und N\u00e4hrstoffen versorgt wird und wor\u00fcber bei Bedarf Abfallstoffe abtransportiert werden. Die Entwicklung setzt sich fort. In der Regel werden die sich entwickelnden Lebewesen ab der achten Woche als &#8220;F\u00f6tus&#8221; bezeichnet. Jetzt bilden sich auch die Gelenke aus und das Herz schl\u00e4gt 60 Mal pro Minute.[2.Hartford, D. (2012). \u201cThe Early Prenatal Development of a Person.\u201d <em>VSM Resources<\/em>. Retrieved October 23, 2015, from https:\/\/www.vsmresources.com\/english\/christian-life-issues\/develop\/] \u00a0 [avafootnote] <a href=\"#_ftnref1\" name=\"_ftn1\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eine Eizelle kann nur unter geeigneten Bedingungen befruchtet werden: Sperma und Eizelle m\u00fcssen gesund sein [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":4190,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[927,959,930],"tags":[108,223,113],"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 Befruchtung - 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-befruchtung\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Die Befruchtung\" \/>\n<meta property=\"og:description\" content=\"Eine Eizelle kann nur unter geeigneten Bedingungen befruchtet werden: Sperma und Eizelle m\u00fcssen gesund sein [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"http:\/\/www.avawomen.com\/avaworld\/de\/die-befruchtung\/\" \/>\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=\"2017-01-12T10:17:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-10-11T17:22:12+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/avablog-assets-production.s3.amazonaws.com\/wp-offloaded-content\/160606_AvaWorld_Conception_Process-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"650\" \/>\n\t<meta property=\"og:image:height\" content=\"276\" \/>\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\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/de\/die-befruchtung\/#primaryimage\",\"url\":\"https:\/\/avablog-assets-production.s3.amazonaws.com\/wp-offloaded-content\/160606_AvaWorld_Conception_Process-1.jpg\",\"contentUrl\":\"https:\/\/avablog-assets-production.s3.amazonaws.com\/wp-offloaded-content\/160606_AvaWorld_Conception_Process-1.jpg\",\"width\":650,\"height\":276},{\"@type\":\"WebPage\",\"@id\":\"http:\/\/www.avawomen.com\/avaworld\/de\/die-befruchtung\/#webpage\",\"url\":\"http:\/\/www.avawomen.com\/avaworld\/de\/die-befruchtung\/\",\"name\":\"Die Befruchtung - 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