Ductus Venosus S/A Ratio
Rizzo G, Capponi A, Arduini D, Romanini C.
Ductus venosus velocity waveforms in appropriate and
small for gestational age fetuses.
Early Hum Dev 1994;39(1):15-26
GA (wks) |
50th Percentile |
5th Percentile |
95th Percentile |
20 |
2.66 |
1.7 |
3.82 |
21 |
2.62 |
1.66 |
3.77 |
22 |
2.57 |
1.61 |
3.73 |
23 |
2.52 |
1.56 |
3.68 |
24 |
2.48 |
1.52 |
3.63 |
25 |
2.43 |
1.47 |
3.59 |
26 |
2.39 |
1.43 |
3.54 |
27 |
2.34 |
1.38 |
3.5 |
28 |
2.29 |
1.33 |
3.45 |
29 |
2.25 |
1.29 |
3.4 |
30 |
2.2 |
1.24 |
3.36 |
31 |
2.16 |
1.2 |
3.31 |
32 |
2.11 |
1.15 |
3.27 |
33 |
2.06 |
1.1 |
3.22 |
34 |
2.02 |
1.06 |
3.17 |
35 |
1.97 |
1.01 |
3.13 |
36 |
1.93 |
0.97 |
3.08 |
37 |
1.88 |
0.92 |
3.04 |
38 |
1.83 |
0.87 |
2.99 |
39 |
1.79 |
0.83 |
2.94 |
40 |
1.74 |
0.78 |
2.9 |