Fenton Curve Constructor

GA(wk)=

Percentile=

Weight(g)=

Length(cm)=

Head(cm)=

Weight (grams) Weight (kg)weeks measure Z score Percentile L M S

22 0 22 1.0 0.481 0.15623 0 23 1.0 0.575 0.17024 0 24 1.0 0.670 0.18325 0 25 1.0 0.770 0.19826 0 26 1.0 0.877 0.21227 0 27 1.0 0.995 0.22228 0 28 1.0 1.128 0.22829 0 29 1.0 1.277 0.23030 0 30 1.0 1.446 0.22831 0 31 1.0 1.635 0.22232 0 32 1.0 1.846 0.21133 0 33 1.0 2.073 0.19934 0 34 1.0 2.309 0.18635 0 35 1.0 2.553 0.17436 0 36 1.0 2.796 0.16237 0 37 1.0 2.992 0.15738 0 38 1.0 3.188 0.15339 0 39 1.0 3.384 0.14940 0 40 1.0 3.581 0.14641 0 41 1.0 3.757 0.14542 0 42 1.0 3.927 0.14443 0 43 1.0 4.099 0.14244 0 44 1.0 4.271 0.140

45 0 45 1.0 4.453 0.13846 0 46 1.0 4.618 0.13747 0 47 1.0 4.799 0.13548 0 48 1.0 4.976 0.13349 0 49 1.0 5.147 0.13150 0 50 1.0 5.305 0.132

Length (cm) Length (cm)weeks measure Z score Percentile weeks L M S

22 0 22 1.0 28.720 0.07923 0 23 1.0 30.303 0.07624 0 24 1.0 31.893 0.07325 0 25 1.0 33.372 0.07126 0 26 1.0 34.851 0.06927 0 27 1.0 36.330 0.06728 0 28 1.0 37.809 0.06529 0 29 1.0 39.103 0.06330 0 30 1.0 40.398 0.06031 0 31 1.0 41.693 0.05832 0 32 1.0 42.987 0.05633 0 33 1.0 44.042 0.05434 0 34 1.0 45.098 0.05135 0 35 1.0 46.155 0.04936 0 36 1.0 47.212 0.04737 0 37 1.0 48.190 0.04638 0 38 1.0 49.168 0.04539 0 39 1.0 50.146 0.04440 0 40 1.0 51.114 0.04341 0 41 1.0 51.859 0.04342 0 42 1.0 52.693 0.04343 0 43 1.0 53.469 0.04344 0 44 1.0 54.238 0.04245 0 45 1.0 54.960 0.04246 0 46 1.0 55.681 0.04247 0 47 1.0 56.437 0.04148 0 48 1.0 57.103 0.04149 0 49 1.0 57.679 0.04250 0 50 1.0 58.301 0.041

Head Circumference (cm) Head Circumference (cm)weeks measure Z score Percentile L M S

22 0 22 1.5 19.734 0.07123 0 23 1.5 20.875 0.06924 0 24 1.5 22.017 0.06725 0 25 1.5 23.094 0.06526 0 26 1.5 24.172 0.06327 0 27 1.5 25.249 0.06128 0 28 1.5 26.327 0.06029 0 29 1.5 27.200 0.05830 0 30 1.5 28.074 0.05631 0 31 1.5 28.947 0.05532 0 32 1.5 29.821 0.05333 0 33 1.5 30.569 0.05234 0 34 1.5 31.317 0.05135 0 35 1.5 32.065 0.05036 0 36 1.5 32.812 0.04937 0 37 1.5 33.421 0.04938 0 38 1.5 34.031 0.04939 0 39 1.5 34.640 0.04940 0 40 1.5 35.232 0.04841 0 41 1.5 35.842 0.04742 0 42 1.5 36.421 0.04543 0 43 1.5 37.023 0.04444 0 44 1.5 37.578 0.04345 0 45 1.5 38.027 0.04146 0 46 1.5 38.450 0.04047 0 47 1.5 38.833 0.03948 0 48 1.5 39.188 0.03949 0 49 1.5 39.547 0.03950 0 50 1.5 39.805 0.038

% z-score1 -2.3262 -2.0543 -1.8814 -1.7515 -1.6456 -1.5557 -1.4768 -1.4059 -1.341

10 -1.28211 -1.227

12 -1.17513 -1.12614 -1.08015 -1.03616 -0.99417 -0.95418 -0.91519 -0.87820 -0.84221 -0.80622 -0.77223 -0.73924 -0.70625 -0.67426 -0.64327 -0.61328 -0.58329 -0.55330 -0.52431 -0.49632 -0.46833 -0.44034 -0.41235 -0.38536 -0.35837 -0.33238 -0.30539 -0.27940 -0.25341 -0.22842 -0.20243 -0.17644 -0.15145 -0.12646 -0.10047 -0.07548 -0.05049 -0.02550 0.00051 0.02552 0.05053 0.07554 0.100

55 0.12656 0.15157 0.17658 0.20259 0.22860 0.25361 0.27962 0.30563 0.33264 0.35865 0.38566 0.41267 0.44068 0.46869 0.49670 0.52471 0.55372 0.58373 0.61374 0.64375 0.67476 0.70677 0.73978 0.77279 0.80680 0.84281 0.87882 0.91583 0.95484 0.99485 1.03686 1.08087 1.12688 1.17589 1.22790 1.28291 1.34192 1.40593 1.47694 1.55595 1.64596 1.75197 1.881

98 2.05499 2.326

Growth Percentile (Fenton)

GA(wk)=

Percentile

Weight(g)=

Length(cm)=

Head(cm)=

Weight (gms) Weight (Kg)weeks measure Z scorePercentile L M S

22 0.000 -6.40### 22 1.0 0.481 0.15623 0.000 -5.89### 23 1.0 0.575 0.17024 0.000 -5.46### 24 1.0 0.670 0.18325 0.000 -5.06### 25 1.0 0.770 0.19826 0.000 -4.72### 26 1.0 0.877 0.21227 0.000 -4.50### 27 1.0 0.995 0.22228 0.000 -4.38### 28 1.0 1.128 0.22829 0.000 -4.35### 29 1.0 1.277 0.23030 0.000 -4.38### 30 1.0 1.446 0.22831 0.000 -4.51### 31 1.0 1.635 0.22232 0.000 -4.73### 32 1.0 1.846 0.21133 0.000 -5.02### 33 1.0 2.073 0.19934 0.000 -5.37### 34 1.0 2.309 0.18635 0.000 -5.75### 35 1.0 2.553 0.17436 0.000 -6.17### 36 1.0 2.796 0.16237 0.000 -6.36### 37 1.0 2.992 0.15738 0.000 -6.54### 38 1.0 3.188 0.15339 0.000 -6.71### 39 1.0 3.384 0.14940 0.000 -6.86### 40 1.0 3.581 0.14641 0.000 -6.88### 41 1.0 3.757 0.14542 0.000 -6.97### 42 1.0 3.927 0.14443 0.000 -7.05### 43 1.0 4.099 0.14244 0.000 -7.14### 44 1.0 4.271 0.14045 0.000 -7.23### 45 1.0 4.453 0.138

46 0.000 -7.29### 46 1.0 4.618 0.13747 0.000 -7.39### 47 1.0 4.799 0.13548 0.000 -7.50### 48 1.0 4.976 0.13349 0.000 -7.63### 49 1.0 5.147 0.13150 0.000 -7.58### 50 1.0 5.305 0.132

Length (cm) Length (cm)weeks measure Z scorePercentile weeks L M S

22 0.00 -12.61### 22 1.0 28.720 0.07923 0.00 -13.16### 23 1.0 30.303 0.07624 0.00 -13.69### 24 1.0 31.893 0.07325 0.00 -14.11### 25 1.0 33.372 0.07126 0.00 -14.51### 26 1.0 34.851 0.06927 0.00 -14.90### 27 1.0 36.330 0.06728 0.00 -15.28### 28 1.0 37.809 0.06529 0.00 -15.92### 29 1.0 39.103 0.06330 0.00 -16.57### 30 1.0 40.398 0.06031 0.00 -17.23### 31 1.0 41.693 0.05832 0.00 -17.90### 32 1.0 42.987 0.05633 0.00 -18.68### 33 1.0 44.042 0.05434 0.00 -19.48### 34 1.0 45.098 0.05135 0.00 -20.31### 35 1.0 46.155 0.04936 0.00 -21.18### 36 1.0 47.212 0.04737 0.00 -21.66### 37 1.0 48.190 0.04638 0.00 -22.14### 38 1.0 49.168 0.04539 0.00 -22.63### 39 1.0 50.146 0.04440 0.00 -23.05### 40 1.0 51.114 0.04341 0.00 -23.26### 41 1.0 51.859 0.04342 0.00 -23.29### 42 1.0 52.693 0.04343 0.00 -23.41### 43 1.0 53.469 0.04344 0.00 -23.67### 44 1.0 54.238 0.04245 0.00 -23.82### 45 1.0 54.960 0.04246 0.00 -23.81### 46 1.0 55.681 0.04247 0.00 -24.13### 47 1.0 56.437 0.04148 0.00 -24.29### 48 1.0 57.103 0.04149 0.00 -24.09### 49 1.0 57.679 0.04250 0.00 -24.18### 50 1.0 58.301 0.041

Head Circumference (cm) Head Circumference (cm)weeks measure Z scorePercentile L M S

22 0.00 -9.33### 22 1.5 19.734 0.071

23 0.00 -9.67### 23 1.5 20.875 0.06924 0.00 -9.99### 24 1.5 22.017 0.06725 0.00 -10.29### 25 1.5 23.094 0.06526 0.00 -10.57### 26 1.5 24.172 0.06327 0.00 -10.85### 27 1.5 25.249 0.06128 0.00 -11.12### 28 1.5 26.327 0.06029 0.00 -11.47### 29 1.5 27.200 0.05830 0.00 -11.82### 30 1.5 28.074 0.05631 0.00 -12.17### 31 1.5 28.947 0.05532 0.00 -12.51### 32 1.5 29.821 0.05333 0.00 -12.78### 33 1.5 30.569 0.05234 0.00 -13.04### 34 1.5 31.317 0.05135 0.00 -13.30### 35 1.5 32.065 0.05036 0.00 -13.56### 36 1.5 32.812 0.04937 0.00 -13.55### 37 1.5 33.421 0.04938 0.00 -13.54### 38 1.5 34.031 0.04939 0.00 -13.53### 39 1.5 34.640 0.04940 0.00 -13.83### 40 1.5 35.232 0.04841 0.00 -14.23### 41 1.5 35.842 0.04742 0.00 -14.70### 42 1.5 36.421 0.04543 0.00 -15.08### 43 1.5 37.023 0.04444 0.00 -15.66### 44 1.5 37.578 0.04345 0.00 -16.23### 45 1.5 38.027 0.04146 0.00 -16.57### 46 1.5 38.450 0.04047 0.00 -16.89### 47 1.5 38.833 0.03948 0.00 -17.08### 48 1.5 39.188 0.03949 0.00 -17.24### 49 1.5 39.547 0.03950 0.00 -17.35### 50 1.5 39.805 0.038

z-score percentile-100 0-2.33 0.99-2.32 1.02-2.31 1.04-2.3 1.07

-2.29 1.10-2.28 1.13-2.27 1.16-2.26 1.19-2.25 1.22-2.24 1.25-2.23 1.29

-2.22 1.32-2.21 1.36-2.2 1.39

-2.19 1.43-2.18 1.46-2.17 1.50-2.16 1.54-2.15 1.58-2.14 1.62-2.13 1.66-2.12 1.70-2.11 1.74-2.1 1.79

-2.09 1.83-2.08 1.88-2.07 1.92-2.06 1.97-2.05 2.02-2.04 2.07-2.03 2.12-2.02 2.17-2.01 2.22

-2 2.28-1.99 2.33-1.98 2.39-1.97 2.44-1.96 2.50-1.95 2.56-1.94 2.62-1.93 2.68-1.92 2.74-1.91 2.81-1.9 2.87

-1.89 2.94-1.88 3.01-1.87 3.07-1.86 3.14-1.85 3.22-1.84 3.29-1.83 3.36-1.82 3.44-1.81 3.51-1.8 3.59

-1.79 3.67-1.78 3.75-1.77 3.84-1.76 3.92-1.75 4.01-1.74 4.09-1.73 4.18-1.72 4.27-1.71 4.36-1.7 4.46

-1.69 4.55-1.68 4.65-1.67 4.75-1.66 4.85-1.65 4.95-1.64 5.05-1.63 5.16-1.62 5.26-1.61 5.37-1.6 5.48

-1.59 5.59-1.58 5.71-1.57 5.82-1.56 5.94-1.55 6.06-1.54 6.18-1.53 6.30-1.52 6.43-1.51 6.55-1.5 6.68

-1.49 6.81-1.48 6.94-1.47 7.08-1.46 7.21-1.45 7.35-1.44 7.49-1.43 7.64-1.42 7.78-1.41 7.93-1.4 8.08

-1.39 8.23-1.38 8.38-1.37 8.53

-1.36 8.69-1.35 8.85-1.34 9.01-1.33 9.18-1.32 9.34-1.31 9.51-1.3 9.68

-1.29 9.85-1.28 10.03-1.27 10.20-1.26 10.38-1.25 10.56-1.24 10.75-1.23 10.93-1.22 11.12-1.21 11.31-1.2 11.51

-1.19 11.70-1.18 11.90-1.17 12.10-1.16 12.30-1.15 12.51-1.14 12.71-1.13 12.92-1.12 13.14-1.11 13.35-1.1 13.57

-1.09 13.79-1.08 14.01-1.07 14.23-1.06 14.46-1.05 14.69-1.04 14.92-1.03 15.15-1.02 15.39-1.01 15.62

-1 15.87-0.99 16.11-0.98 16.35-0.97 16.60-0.96 16.85-0.95 17.11-0.94 17.36

-0.93 17.62-0.92 17.88-0.91 18.14-0.9 18.41

-0.89 18.67-0.88 18.94-0.87 19.22-0.86 19.49-0.85 19.77-0.84 20.05-0.83 20.33-0.82 20.61-0.81 20.90-0.8 21.19

-0.79 21.48-0.78 21.77-0.77 22.06-0.76 22.36-0.75 22.66-0.74 22.96-0.73 23.27-0.72 23.58-0.71 23.89-0.7 24.20

-0.69 24.51-0.68 24.83-0.67 25.14-0.66 25.46-0.65 25.78-0.64 26.11-0.63 26.43-0.62 26.76-0.61 27.09-0.6 27.43

-0.59 27.76-0.58 28.10-0.57 28.43-0.56 28.77-0.55 29.12-0.54 29.46-0.53 29.81-0.52 30.15-0.51 30.50

-0.5 30.85-0.49 31.21-0.48 31.56-0.47 31.92-0.46 32.28-0.45 32.64-0.44 33.00-0.43 33.36-0.42 33.72-0.41 34.09-0.4 34.46

-0.39 34.83-0.38 35.20-0.37 35.57-0.36 35.94-0.35 36.32-0.34 36.69-0.33 37.07-0.32 37.45-0.31 37.83-0.3 38.21

-0.29 38.59-0.28 38.97-0.27 39.36-0.26 39.74-0.25 40.13-0.24 40.52-0.23 40.90-0.22 41.29-0.21 41.68-0.2 42.07

-0.19 42.47-0.18 42.86-0.17 43.25-0.16 43.64-0.15 44.04-0.14 44.43-0.13 44.83-0.12 45.22-0.11 45.62-0.1 46.02

-0.09 46.41-0.08 46.81

-0.07 47.21-0.06 47.61-0.05 48.01-0.04 48.40-0.03 48.80-0.02 49.20-0.01 49.60

0 50.000.01 50.400.02 50.800.03 51.200.04 51.600.05 51.990.06 52.390.07 52.790.08 53.190.09 53.590.1 53.98

0.11 54.380.12 54.780.13 55.170.14 55.570.15 55.960.16 56.360.17 56.750.18 57.140.19 57.530.2 57.93

0.21 58.320.22 58.710.23 59.100.24 59.480.25 59.870.26 60.260.27 60.640.28 61.030.29 61.410.3 61.79

0.31 62.170.32 62.550.33 62.930.34 63.310.35 63.68

0.36 64.060.37 64.430.38 64.800.39 65.170.4 65.54

0.41 65.910.42 66.280.43 66.640.44 67.000.45 67.360.46 67.720.47 68.080.48 68.440.49 68.790.5 69.15

0.51 69.500.52 69.850.53 70.190.54 70.540.55 70.880.56 71.230.57 71.570.58 71.900.59 72.240.6 72.57

0.61 72.910.62 73.240.63 73.570.64 73.890.65 74.220.66 74.540.67 74.860.68 75.170.69 75.490.7 75.80

0.71 76.110.72 76.420.73 76.730.74 77.040.75 77.340.76 77.640.77 77.940.78 78.23

0.79 78.520.8 78.81

0.81 79.100.82 79.390.83 79.670.84 79.950.85 80.230.86 80.510.87 80.780.88 81.060.89 81.330.9 81.59

0.91 81.860.92 82.120.93 82.380.94 82.640.95 82.890.96 83.150.97 83.400.98 83.650.99 83.89

1 84.131.01 84.381.02 84.611.03 84.851.04 85.081.05 85.311.06 85.541.07 85.771.08 85.991.09 86.211.1 86.43

1.11 86.651.12 86.861.13 87.081.14 87.291.15 87.491.16 87.701.17 87.901.18 88.101.19 88.301.2 88.49

1.21 88.69

1.22 88.881.23 89.071.24 89.251.25 89.441.26 89.621.27 89.801.28 89.971.29 90.151.3 90.32

1.31 90.491.32 90.661.33 90.821.34 90.991.35 91.151.36 91.311.37 91.471.38 91.621.39 91.771.4 91.92

1.41 92.071.42 92.221.43 92.361.44 92.511.45 92.651.46 92.791.47 92.921.48 93.061.49 93.191.5 93.32

1.51 93.451.52 93.571.53 93.701.54 93.821.55 93.941.56 94.061.57 94.181.58 94.291.59 94.411.6 94.52

1.61 94.631.62 94.741.63 94.841.64 94.95

1.65 95.051.66 95.151.67 95.251.68 95.351.69 95.451.7 95.54

1.71 95.641.72 95.731.73 95.821.74 95.911.75 95.991.76 96.081.77 96.161.78 96.251.79 96.331.8 96.41

1.81 96.491.82 96.561.83 96.641.84 96.711.85 96.781.86 96.861.87 96.931.88 96.991.89 97.061.9 97.13

1.91 97.191.92 97.261.93 97.321.94 97.381.95 97.441.96 97.501.97 97.561.98 97.611.99 97.67

2 97.722.01 97.782.02 97.832.03 97.882.04 97.932.05 97.982.06 98.032.07 98.08

2.08 98.122.09 98.172.1 98.21

2.11 98.262.12 98.302.13 98.342.14 98.382.15 98.422.16 98.462.17 98.502.18 98.542.19 98.572.2 98.61

2.21 98.642.22 98.682.23 98.712.24 98.752.25 98.782.26 98.812.27 98.842.28 98.872.29 98.902.3 98.93

2.31 98.962.32 98.982.33 99.01100 100