{"id":617,"date":"2021-04-15T15:29:04","date_gmt":"2021-04-15T14:29:04","guid":{"rendered":"http:\/\/aandelaak.nl\/knowledge\/week-13-t-m-15\/"},"modified":"2026-09-07T13:46:46","modified_gmt":"2026-09-07T11:46:46","slug":"weeks-13-through-15","status":"publish","type":"knowledge","link":"https:\/\/aandelaak.nl\/en\/kennisbank\/week-13-t-m-15\/","title":{"rendered":"Weeks 13 through 15"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The first trimester has been described. Now that the <strong>Highlights from Weeks 13 through 15<\/strong> of the pregnancy! The baby is about the size of a <strong>peach<\/strong> about the size of a <strong>apple<\/strong>. The weight of a slice <strong>cheese<\/strong> based on the weight of a <strong>raisin bun<\/strong>!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At <strong>13 weeks<\/strong> begins the <strong>stomach<\/strong> develop and the <strong>intestines<\/strong> start having contractions. The <strong>kidneys<\/strong> start producing urine. The baby\u2019s first <strong>pees<\/strong> end up in the amniotic fluid. The bone marrow produces <strong>white blood cells<\/strong> On!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In <strong>week<\/strong> <strong>14<\/strong> the <strong>ears<\/strong> They're taking shape and are almost in the right spot. At the tip of the <strong>nose<\/strong> nostrils form, and also the <strong>tongue<\/strong> and the palate develop. The first <strong>hair follicles<\/strong> It's coming out on the head! The baby is now starting to <strong>drink<\/strong> amniotic fluid (which he had peed out himself first!). All <strong>vital organs<\/strong> They're now in place and starting to work!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">At <strong>15 weeks<\/strong> are the <strong>eyes<\/strong> on the front of the face. All over the body, the baby gets <strong>soft hairs<\/strong>. And the <strong>vocal cords<\/strong> Let's start developing!<\/p>","protected":false},"excerpt":{"rendered":"<p>Het eerste trimester is omschreven. Nu de highlights van week 13 t\/m 15 van de zwangerschap! De baby gaat van de grote van een perzik naar de grote van een appel. Van het gewicht van een plakje kaas naar het gewicht van een krentenbol! Bij 13 weken begint de maag zich te ontwikkelen en gaan [&hellip;]<\/p>\n","protected":false},"author":0,"featured_media":464,"template":"","class_list":["post-617","knowledge","type-knowledge","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Week 13 t\/m 15 - Aandelaak<\/title>\n<meta name=\"description\" content=\"Wat gebeurd er na het eerste trimester met de ontwikkeling van de baby? Welke veranderingen maakt jouw lichaam door? 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