Question 928
{"accessible":false,"alternatives":[{"id":4668,"text":"fetal urinary bladder length more than 7 mm increases the risk of trisomy 13/18 "},{"id":4670,"text":"presence of atrioventricular septal defect increases the risk of trisomy 21"},{"id":4669,"text":"presence of diaphragmatic hernia increases the risk of trisomy 18"},{"id":4671,"text":"presence of holoprosencephaly increases the risk of trisomy 13"},{"id":4667,"text":"with CRL more than 55 mm, if omphalocele is present, it increases the risk of trisomy 13 to 1:10 and trisomy 18 to 1:4 regardless of any other finding."},{"id":4672,"text":"none of the above"}],"archived":false,"correctAlternativeId":4672,"explanation":"\u003cp\u003eAll of the statements are true regarding 11-13 weeks antenatal scan\u0026nbsp;\u003c/p\u003e\u003cul\u003e\n\u003cli\u003ewith CRL \u0026lt;55 mm, omphalocele containing only bowel is not taken into risk calculation for trisomies as this may be physiological herniation, however, if there is liver in the herniated contents, it will increase the risk even with CRL \u0026lt;55 mm\u003c/li\u003e\n\u003cli\u003efetal urinary bladder length between 7-15 mm increases the risk of trisomy 13/18 more as compared to the length greater than 15 mm\u003c/li\u003e\n\u003cli\u003ea diaphragmatic hernia increases the risk of trisomy 18 to 1:4\u003c/li\u003e\n\u003cli\u003eatrioventricular septal defect increases the risk of trisomy 21 to 1:2\u003c/li\u003e\n\u003cli\u003eholoprosencephaly increases the risk of trisomy 13 to 1:2\u003c/li\u003e\n\u003c/ul\u003e","id":928,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/928","nextQuestionPath":null,"relatedArticles":[{"id":1774,"title":"Omphalocele","link":"/articles/omphalocele-1?lang=us"},{"id":10509,"title":"Alobar holoprosencephaly","link":"/articles/alobar-holoprosencephaly?lang=us"},{"id":7354,"title":"Atrioventricular septal defect","link":"/articles/atrioventricular-septal-defect?lang=us"},{"id":1742,"title":"Nuchal translucency","link":"/articles/nuchal-translucency-1?lang=us"},{"id":13417,"title":"Fetal megacystis","link":"/articles/fetal-megacystis?lang=us"},{"id":55478,"title":"11-13 week antenatal scan","link":"/articles/11-13-week-antenatal-scan?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following statement is false regarding 11-13 weeks antenatal scan?\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/928"}],"attemptsPercentages":[{"alternativeId":"4669","percentage":9},{"alternativeId":"4667","percentage":16},{"alternativeId":"4670","percentage":8},{"alternativeId":"4668","percentage":17},{"alternativeId":"4672","percentage":43},{"alternativeId":"4671","percentage":6}],"promptToLogin":false,"questionManager":false,"articleId":"diaphragmatic-hernia"}