Question 76
{"accessible":false,"alternatives":[{"id":390,"text":"acrania "},{"id":391,"text":"agenesis of the corpus callosum"},{"id":392,"text":"alobar holoprosencephaly"},{"id":393,"text":"gastroschisis"},{"id":394,"text":"megacystis"}],"archived":false,"correctAlternativeId":391,"explanation":"\u003cp\u003eA number of fetal abnormalities are visible in the first trimester, including\u003c/p\u003e\u003cul\u003e\n\u003cli\u003eacrania\u003c/li\u003e\n\u003cli\u003ealobar holoprosencephaly\u003c/li\u003e\n\u003cli\u003egastroschisis\u003c/li\u003e\n\u003cli\u003emegacystis\u003c/li\u003e\n\u003cli\u003eomphalocele\u003c/li\u003e\n\u003cli\u003esome skeletal dysplasias\u003c/li\u003e\n\u003c/ul\u003e\u003cp\u003eThe corpus callosum develops at age 14-18 weeks.\u003c/p\u003e","id":76,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/928","nextQuestionPath":null,"relatedArticles":[{"id":864,"title":"Dysgenesis of the corpus callosum","link":"/articles/dysgenesis-of-the-corpus-callosum?lang=us"},{"id":12793,"title":"Gastroschisis","link":"/articles/gastroschisis?lang=us"},{"id":1774,"title":"Omphalocele","link":"/articles/omphalocele-1?lang=us"},{"id":13417,"title":"Fetal megacystis","link":"/articles/fetal-megacystis?lang=us"},{"id":12140,"title":"Acrania","link":"/articles/acrania?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of these \u003cstrong\u003eCANNOT\u003c/strong\u003e be detected on a first trimester ultrasound study at\u0026nbsp;12-13 weeks?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/76"}],"attemptsPercentages":[{"alternativeId":"394","percentage":8},{"alternativeId":"390","percentage":2},{"alternativeId":"391","percentage":63},{"alternativeId":"393","percentage":25},{"alternativeId":"392","percentage":3}],"promptToLogin":false,"questionManager":false,"articleId":"alobar-holoprosencephaly"}