Skip to main content

Table 3 Fetal cardiac structures observed and investigated by echocardiographic examination using 2D and color Doppler at various gestational ages

From: First trimester fetal echocardiography limitations and its expected clinical values

 2Dp value*Color Dopplerp value*p value
IVC
10th w25 (12.9%)< 0.001171 (88.1%)< 0.001< 0.001
11th w87 (44.8%)< 0.001179 (92.3%)0.010< 0.001
12th w91 (46.9%)< 0.001180 (92.8%)0.016< 0.001
13th w155 (79.9%)< 0.001182 (93.8%)0.041< 0.001
18th w179 (92.3%)190 (97.9%)0.009
Pulmonary veins
10th w0 (0.0%)< 0.0010 (0.0%)< 0.0011.000
11th w0 (0.0%)< 0.0016 (3.1%)< 0.0010.013
12th w6 (3.1%)< 0.00118 (9.3%)< 0.0010.011
13th w49 (25.3%)0.30689 (45.9%)0.025< 0.001
18th w58 (29.9%)111 (57.2%)< 0.001
Both left and right outflow tracts
10th w45 (23.2%)< 0.001128 (66.0%)< 0.001< 0.001
11th w146 (75.3%)< 0.001179 (92.3%)< 0.001< 0.001
12th w150 (77.3%)< 0.001185 (95.4%)0.004< 0.001
13th w186 (95.9%)0.004191 (98.5%)0.6520.126
18th w194 (100.0%)194 (100.0%)1.000
Crossing greater arteries     
10th w44 (22.7%)< 0.001103 (53.1%)< 0.001< 0.001
11th w129 (66.5%)< 0.001173 (89.2%)< 0.001< 0.001
12th w140 (72.2%)< 0.001178 (91.8%)0.007< 0.001
13th w177 (91.2%)< 0.001187 (96.4%)0.0920.035
18th w189 (97.4%)192 (99.0%)0.252
Aortic arch
10th w54 (27.8%)< 0.001120 (61.9%)< 0.001< 0.001
11th w124 (63.9%)< 0.001160 (82.5%)< 0.001< 0.001
12th w142 (73.2%)< 0.001182 (93.8%)0.041< 0.001
13th w179 (92.3%)< 0.001187 (96.4%)0.3580.079
18th w189 (97.4%)190 (97.9%)0.735
Ductal arch
10th w54 (27.8%)< 0.001120 (61.9%)< 0.001< 0.001
11th w127 (65.5%)< 0.001167 (86.1%)< 0.001< 0.001
12th w151 (77.8%)< 0.001185 (95.4%)0.032< 0.001
13th w182 (93.8%)< 0.001186 (95.9%)0.0550.358
18th w190 (97.9%)192 (99.0%)0.410
  1. Comparison done using chi-square test
  2. Bold indicates significant
  3. p value in comparison between 2D and color Doppler
  4. *p value in comparison with gestational age at 18th week