A Shrestha, S Pradhan, A S Tuladhar, S Pradhan, B Yadav, R Acharya, R Pathak, B Thapa
The fetal nasal bone length (FNBL) is a recent sonographic marker included in second trimester genetic sonography which varies with race and ethnicity. The importance of measuring FNBL is in the prenatal diagnosis of Down's syndrome (DS), the most common chromosomal abnormality. Nasal bone hypoplasia or absence is one of the frequent features of DS. Different studies conducted in different parts of the world have established FNBL in different races. But, reference values for normal fetal nasal bone length are yet to be established for Nepalese population...
December 2014: Nepal Medical College Journal: NMCJ