Table 1 Phenotypic characteristics of 1131 fetuses with ultrasonic soft markers
Classification of fetuses with ultrasonic soft markers | Number of fetuses |
|---|---|
Single ultrasonic soft marker | 729 |
Thickened nuchal translucency | 302 |
Ventriculomegaly | 115 |
Absent nasal bone | 76 |
Hyperechogenic bowel | 65 |
Choroid plexus cyst | 54 |
Right subclavian vagus | 32 |
Short femur | 26 |
Echogenic intracardiac focus | 22 |
Mild tricuspid regurgitation | 16 |
Pyelectasis | 8 |
Single umbilical artery | 7 |
Alteration of wave A in the ductus venosus | 6 |
Two ultrasonic soft markers | 322 |
Three or more ultrasonic soft markers | 80 |