GA (weeks) | Centiles of MCA PSV/UA PSV ratio | |||||||
---|---|---|---|---|---|---|---|---|
1st | 2.5th | 5th | 10th | 90th | 95th | 97.5th | 99th | |
13.0 | 0.26 | 0.31 | 0.37 | 0.43 | 1.32 | 1.53 | 1.74 | 2.01 |
13.5 | 0.26 | 0.31 | 0.36 | 0.43 | 1.30 | 1.50 | 1.70 | 1.96 |
14.0 | 0.26 | 0.31 | 0.36 | 0.43 | 1.27 | 1.47 | 1.66 | 1.91 |
14.5 | 0.27 | 0.31 | 0.36 | 0.43 | 1.25 | 1.44 | 1.63 | 1.87 |
15.0 | 0.27 | 0.31 | 0.36 | 0.43 | 1.23 | 1.41 | 1.59 | 1.83 |
15.5 | 0.27 | 0.32 | 0.36 | 0.43 | 1.21 | 1.39 | 1.57 | 1.80 |
16.0 | 0.27 | 0.32 | 0.36 | 0.43 | 1.20 | 1.37 | 1.54 | 1.77 |
16.5 | 0.27 | 0.32 | 0.36 | 0.43 | 1.18 | 1.35 | 1.52 | 1.74 |
17.0 | 0.27 | 0.32 | 0.37 | 0.43 | 1.17 | 1.34 | 1.50 | 1.72 |
17.5 | 0.27 | 0.32 | 0.37 | 0.43 | 1.16 | 1.33 | 1.49 | 1.70 |
18.0 | 0.28 | 0.32 | 0.37 | 0.43 | 1.15 | 1.32 | 1.47 | 1.68 |
18.5 | 0.28 | 0.32 | 0.37 | 0.43 | 1.15 | 1.31 | 1.46 | 1.67 |
19.0 | 0.28 | 0.33 | 0.37 | 0.43 | 1.14 | 1.30 | 1.46 | 1.65 |
19.5 | 0.28 | 0.33 | 0.37 | 0.43 | 1.14 | 1.30 | 1.45 | 1.65 |
20.0 | 0.28 | 0.33 | 0.38 | 0.43 | 1.14 | 1.29 | 1.45 | 1.64 |
20.5 | 0.29 | 0.33 | 0.38 | 0.44 | 1.14 | 1.29 | 1.44 | 1.64 |
21.0 | 0.29 | 0.34 | 0.38 | 0.44 | 1.14 | 1.29 | 1.44 | 1.64 |
21.5 | 0.29 | 0.34 | 0.38 | 0.44 | 1.14 | 1.30 | 1.45 | 1.64 |
22.0 | 0.29 | 0.34 | 0.39 | 0.45 | 1.15 | 1.30 | 1.45 | 1.64 |
22.5 | 0.30 | 0.34 | 0.39 | 0.45 | 1.15 | 1.31 | 1.45 | 1.65 |
23.0 | 0.30 | 0.35 | 0.39 | 0.45 | 1.16 | 1.31 | 1.46 | 1.65 |
23.5 | 0.30 | 0.35 | 0.39 | 0.46 | 1.16 | 1.32 | 1.47 | 1.66 |
24.0 | 0.30 | 0.35 | 0.40 | 0.46 | 1.17 | 1.33 | 1.48 | 1.68 |
24.5 | 0.31 | 0.35 | 0.40 | 0.46 | 1.18 | 1.34 | 1.49 | 1.69 |
25.0 | 0.31 | 0.36 | 0.40 | 0.47 | 1.19 | 1.35 | 1.51 | 1.71 |
25.5 | 0.31 | 0.36 | 0.41 | 0.47 | 1.21 | 1.37 | 1.52 | 1.73 |
26.0 | 0.31 | 0.36 | 0.41 | 0.47 | 1.22 | 1.38 | 1.54 | 1.75 |
26.5 | 0.31 | 0.36 | 0.41 | 0.48 | 1.23 | 1.40 | 1.56 | 1.77 |
27.0 | 0.32 | 0.37 | 0.42 | 0.48 | 1.25 | 1.42 | 1.58 | 1.79 |
27.5 | 0.32 | 0.37 | 0.42 | 0.48 | 1.26 | 1.44 | 1.60 | 1.82 |
28.0 | 0.32 | 0.37 | 0.42 | 0.49 | 1.28 | 1.46 | 1.63 | 1.85 |
28.5 | 0.32 | 0.37 | 0.42 | 0.49 | 1.30 | 1.48 | 1.65 | 1.88 |
29.0 | 0.32 | 0.37 | 0.43 | 0.49 | 1.32 | 1.50 | 1.68 | 1.91 |
29.5 | 0.32 | 0.37 | 0.43 | 0.50 | 1.34 | 1.53 | 1.71 | 1.94 |
30.0 | 0.32 | 0.38 | 0.43 | 0.50 | 1.36 | 1.55 | 1.74 | 1.98 |
30.5 | 0.32 | 0.38 | 0.43 | 0.50 | 1.38 | 1.58 | 1.77 | 2.02 |
31.0 | 0.32 | 0.38 | 0.43 | 0.50 | 1.40 | 1.60 | 1.80 | 2.06 |
31.5 | 0.32 | 0.38 | 0.43 | 0.51 | 1.42 | 1.63 | 1.84 | 2.10 |
32.0 | 0.32 | 0.38 | 0.43 | 0.51 | 1.45 | 1.66 | 1.87 | 2.14 |
32.5 | 0.32 | 0.38 | 0.43 | 0.51 | 1.47 | 1.69 | 1.91 | 2.19 |
33.0 | 0.32 | 0.38 | 0.43 | 0.51 | 1.49 | 1.72 | 1.95 | 2.24 |
33.5 | 0.32 | 0.38 | 0.43 | 0.51 | 1.52 | 1.76 | 1.99 | 2.29 |
34.0 | 0.31 | 0.37 | 0.43 | 0.51 | 1.55 | 1.79 | 2.03 | 2.34 |
34.5 | 0.31 | 0.37 | 0.43 | 0.51 | 1.57 | 1.82 | 2.07 | 2.39 |
35.0 | 0.31 | 0.37 | 0.43 | 0.51 | 1.60 | 1.86 | 2.11 | 2.45 |
35.5 | 0.30 | 0.37 | 0.43 | 0.51 | 1.62 | 1.89 | 2.16 | 2.50 |
36.0 | 0.30 | 0.36 | 0.43 | 0.51 | 1.65 | 1.93 | 2.20 | 2.56 |
36.5 | 0.30 | 0.36 | 0.42 | 0.51 | 1.68 | 1.97 | 2.25 | 2.62 |
37.0 | 0.29 | 0.36 | 0.42 | 0.51 | 1.71 | 2.00 | 2.30 | 2.68 |
37.5 | 0.29 | 0.35 | 0.42 | 0.50 | 1.73 | 2.04 | 2.34 | 2.75 |
38.0 | 0.28 | 0.35 | 0.41 | 0.50 | 1.76 | 2.08 | 2.39 | 2.81 |
38.5 | 0.28 | 0.34 | 0.41 | 0.50 | 1.79 | 2.12 | 2.44 | 2.88 |
39.0 | 0.27 | 0.34 | 0.40 | 0.49 | 1.82 | 2.16 | 2.49 | 2.95 |
39.5 | 0.26 | 0.33 | 0.39 | 0.49 | 1.84 | 2.19 | 2.55 | 3.02 |
40.0 | 0.26 | 0.32 | 0.39 | 0.48 | 1.87 | 2.23 | 2.60 | 3.09 |