Adjusting the risk for trisomy 21 by a simple ultrasound method using fetal long-bone biometry.

This study found that #2ndTrimester #fetal long-bone biometry is useful in detecting trisomy 21 & may be used to adjust the a priori risk for trisomy 21 and, therefore, the need for genetic amniocentesis. Read more here: https://t.co/mrjYoBbOOI #Tr…