A comparative study of dual marker test vs ultrasonography markers for detection of chromosomal abnormalities in patients attending a tertiary care center
ABSTRACT Background It becomes important to detect chromosomal abnormalities prenatally and early in the pregnancy.The present thesis is aimed to assess the performance of prenatal screening tests for chromosomal abnormalities detection i.e., dual marker test, first trimester ultrasound which measures the nuchal translucency and presence or absence