{"id":1042,"date":"2022-02-14T09:58:42","date_gmt":"2022-02-14T08:58:42","guid":{"rendered":"https:\/\/babyjourney.se\/?p=1042"},"modified":"2023-03-30T13:22:17","modified_gmt":"2023-03-30T11:22:17","slug":"fosterhinder-fostervand-navlestreng","status":"publish","type":"post","link":"https:\/\/webstaging.babyjourney.se\/dk\/graviditet\/fosterhinnor-fostervatten-navelstrangen\/","title":{"rendered":"Fostermembraner, fostervand og navlestreng"},"content":{"rendered":"<p><strong>Fosteret i livmoderen er omgivet af to stykker fosterhinde, der sidder fast p\u00e5 hinanden - ligesom den tynde hinde under skallen p\u00e5 et h\u00f8nse\u00e6g. S\u00e5 l\u00e6nge fosterhinderne er intakte, beskytter de fosteret ved at forhindre bakterier i at tr\u00e6nge ind i livmoderen og fostervand i at l\u00f8be ud.<\/strong><\/p>\n<p>De to membraner kaldes chorion og amnion. <em>Corion<\/em> er den film, der ligger p\u00e5 ydersiden og <em>amnion <\/em>den, der er t\u00e6ttest p\u00e5 fosteret og hviler mod fostervandet.<\/p>\n<p>Fostermembranerne hj\u00e6lper med at <em>beskytte fosteret og navlestrengen<\/em>\u00a0ved at holde trykket i fostervandet j\u00e6vnt fordelt inde i livmoderen, f.eks. under veer. Ved at lade fosteret bev\u00e6ge sig i fostervandet bidrager det til udviklingen af fosterets muskler, knogler og lunger.<\/p>\n<p>I begyndelsen af graviditeten er fostervandet klart, men det bliver gradvist mere uklart p\u00e5 grund af h\u00e5r, talg og hudpartikler, som fosteret afgiver. Gennem hele graviditeten dannes der hele tiden nyt fostervand. Fosteret sluger fostervandet, som derefter absorberes i mave-tarmkanalen. Derefter udskilles det via navlestrengen og moderkagen til den gravide kvindes blodbane, men fosteret udskiller ogs\u00e5 rester af fostervand. Omkring 38-39 uger n\u00e5r fostervandsm\u00e6ngden sit h\u00f8jeste niveau p\u00e5 omkring 1000 ml og falder derefter normalt. Fostervandsm\u00e6ngden kan m\u00e5les ved hj\u00e6lp af ultralyd.<\/p>\n<p><strong>navlestrenge<\/strong><\/p>\n<p>I navlestrengen er der to arterier og en vene, der hj\u00e6lper med at <em>forsyner fosteret med iltrigt blod og fjerner kuldioxid og affaldsstoffer<\/em>. Karrene er omgivet af en gel\u00e9agtig struktur, der best\u00e5r af bindev\u00e6v. Navlestrengen er omgivet af jomfruhinden og sidder fast p\u00e5 moderkagen. Navlestrengen h\u00e6fter normalt centralt p\u00e5 moderkagen.<\/p>","protected":false},"excerpt":{"rendered":"<p>Fostret i magen omges av tv\u00e5 stycken fosterhinnor som ligger an vid varandra &#8211; ungef\u00e4r som den tunna hinnan under skalet omkring ett h\u00f6ns\u00e4gg. S\u00e5 l\u00e4nge fosterhinnorna \u00e4r hela skyddar de fostret genom att f\u00f6rhindra att bakterier tar sig in&hellip;<\/p>","protected":false},"author":4,"featured_media":1041,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1042","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-graviditet"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fosterhinnor, fostervatten &amp; navelstr\u00e4ngen | Baby Journey<\/title>\n<meta name=\"description\" content=\"Visste du att fostret i magen omges av tv\u00e5 fosterhinnor? 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