The relevance study for fetal ultrasonic soft marker, structural malformation and chromosomal abnormalities
胎儿超声软标记、结构畸形与染色体异常的相关性研究

Objective To assess the relationship among fetal ultrasonic soft markers,structural malformations and chromosomal abnormalities. Methods A total of 3103 fetuses with karyotype analysis were included to take retrospectively analysis with abnormal ultrasound signs and chromosomal results. Results In the 3103 cases of fetuses, ultrasound abnormalities were found in 887 cases. 529 fetuses were found with single soft marker, the sensitivity, specificity and positive predictive value of single soft marker diagnos...