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A member asked:
What are some of the signs and ultrasound findings of down syndrome?
4 doctors weighed in across 2 answers
Many: The most predictive finding of Down syndrome on prenatal ultrasound is an absent nasal bone. Others include an enlarged space in the back of the neck, an opening in the abdominal wall, malformations of the heart, and many more. Your doctor can give you a risk of down's (such as 1 in 1, 000) if you have a blood test combined with an early ultrasound.
Answered 11/4/2017
5.9k views
Very skilled US: 1st trimester: nuchal translucency wider than normal. Non-Visualization of the nasal bone is sufficient to warrant diagnostic testing. 2nd trimester: most important are cystic hygroma or increased nuchal thickness; dilated ventricles of the brain, absent or small nasal bone, anomalous right subclavian artery. Heart defects, particularly conotruncal, short femur or humerus, duodenal atresia
Answered 5/23/2018
2.7k views
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