{"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":"amniotic-membranes-amniotic-fluid-umbilical-cord","status":"publish","type":"post","link":"https:\/\/webstaging.babyjourney.se\/en\/graviditet\/fosterhinnor-fostervatten-navelstrangen\/","title":{"rendered":"Amniotic membranes, amniotic fluid &amp; the umbilical cord"},"content":{"rendered":"<p><strong>The fetus in the womb is surrounded by two adjacent amniotic membranes - much like the thin membrane under the shell of a chicken egg. As long as the membranes are intact, they protect the fetus by preventing bacteria from entering the uterus and amniotic fluid from leaking out.<\/strong><\/p>\n<p>The two membranes are called the chorion (choroid) and the amnion (aqueous membrane). <em>Korion<\/em> is the outermost layer and <em>amnion <\/em>the one closest to the fetus and adjacent to the amniotic fluid.<\/p>\n<p>The fetal membranes help to <em>protect the fetus and the umbilical cord<\/em>\u00a0by keeping the pressure of the amniotic fluid evenly distributed inside the uterus, for example during contractions. By allowing the fetus to move in the amniotic fluid, it contributes to the development of the fetal muscles, bones and lungs.<\/p>\n<p>At the beginning of the pregnancy, the amniotic fluid is completely clear, but becomes increasingly cloudy due to hairs, sebum and skin particles shed by the fetus. Throughout pregnancy, new amniotic fluid is constantly being formed. The fetus swallows amniotic fluid, which is then absorbed in the gastrointestinal tract. The amniotic fluid is then discharged via the umbilical cord and placenta into the pregnant woman's bloodstream, but the fetus also urinates out any residual amniotic fluid. At around 38-39 weeks, the amniotic fluid volume peaks at around 1000 ml, and then declines normally. Amniotic fluid volume can be measured by ultrasound.<\/p>\n<p><strong>Umbilical cords<\/strong><\/p>\n<p>In the umbilical cord there are two arteries and a vein that help to <em>supplying the fetus with oxygen-rich blood and removing carbon dioxide and waste products<\/em>. The vessels are surrounded by a jelly-like structure made up of connective tissue. The umbilical cord is surrounded by the aqueous membrane and attaches to the placenta. The umbilical cord normally attaches centrally to the placenta.<\/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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