Chart details

Data object Description
X axis Weeks
Y axis Millimetres
Date range 6+1 to 14+4 wks
Centiles 5th and 95th
Citation CRL growth charts using Robinson equations - British Journal of Obstetrics and Gynaecology 82(9):702-10 1975 Sep.
DOI 10.1111/j.1471-0528.1975.tb00710.x
Source

Robinson, H.P. and Fleming, J.E.E. (1975), A CRITICAL EVALUATION OF SONAR “CROWN‐RUMP LENGTH” MEASUREMENTS. BJOG: An International Journal of Obstetrics & Gynaecology, 82: 702-710

Equation GA (Days) = [8.052 (CRL*1.037)½ + 23.73]/7 (Weeks)
Cris Obstetric Forms
Early Scan (ENW)
Dating Scan (DATNW)

Cris Obstetric Fetal Measurements Reference Data - Crown Rump Length (CRL) Dating Table

Note: Where a specific age value has multiple possible length (mm) values an average has been used.

Gestational age (days)

 5th centile 50th centile 95th centile
37 5.0 - -
42 8.0 5.0 -
47 12.0 8.0 5.0
51 15.0 11.0 8.0
53 17.0 13.0 9.0
57 21.5 16.0 12.0
60 25.0 20.0 15.0
63 29.0 23.0 18.0
66 33.0 26.5 21.0
70 38.5 32.0 26.0
73 43.5 36.0 29.5
77 50.0 42.5 35.0
80 55.5 47.0 39.5
84 62.5 54.0 46.0
87 68.5 59.5 51.0
91 77.0 67.5 58.5
94 - 73.5 63.5
97 - 79.5 69.5
102 - - 80.0

Data object Description
X axis Weeks
Y axis Millimetres
Date range 12 to 42 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Head circumference. Chitty LS, Altman DG, Henderson A, Campbell S. BJOG 1994; 101: 35-43
DOI 10.1111/j.1471-0528.1994.tb13007.x
Source Head circumference. Chitty LS, Altman DG, Henderson A, Campbell S. BJOG 1994; 101: 35-43
Cris Obstetric Forms
Early Scan (ENW)
Dating Scan (DATNW)

Cris Obstetric Fetal Measurements Reference Data - Head Circumference (HC) Dating Table (Option 1)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
12 55.5 57.1 59.5 68.1 76.7 79.1 80.7
13 69.1 70.7 73.2 82.1 91.0 93.6 95.2
14 82.5 84.2 86.8 96.0 105.2 107.8 109.5
15 95.7 97.5 100.2 109.6 119.1 121.8 123.6
16 108.7 110.5 113.3 123.1 132.9 135.6 137.4
17 121.5 123.3 126.2 136.3 146.4 149.2 151.1
18 134.0 135.9 138.9 149.3 159.6 162.6 164.5
19 146.3 148.2 151.3 162.0 172.6 175.7 177.6
20 158.3 160.3 163.4 174.4 185.4 188.5 190.5
21 170.0 172.1 175.3 186.5 197.8 201.0 203.1
22 181.4 183.5 186.8 198.4 210.0 213.3 215.4
23 192.5 194.7 198.1 209.9 221.8 225.2 227.4
24 203.3 205.5 209.0 221.1 233.3 236.8 239.0
25 213.7 216.0 219.5 232.0 244.4 248.0 250.3
26 223.7 226.1 229.7 242.5 255.2 258.9 261.2
27 233.4 235.8 239.6 252.6 265.7 269.4 271.8
28 242.7 245.2 249.0 262.4 275.7 279.5 282.0
29 251.6 254.2 258.0 271.7 285.4 289.2 291.8
30 260.1 262.7 266.7 280.6 294.6 298.6 301.1
31 268.2 270.8 274.9 289.1 303.4 307.4 310.0
32 275.8 278.5 282.6 297.2 311.7 315.9 318.5
33 283.0 285.7 289.9 304.8 319.6 323.8 326.6
34 289.6 292.4 296.7 311.9 327.0 331.3 334.1
35 295.8 298.7 303.1 318.5 334.0 338.4 341.2
36 301.5 304.4 308.9 324.6 340.4 344.9 347.8
37 306.7 309.6 314.2 330.3 346.3 350.9 353.8
38 311.4 314.4 319.0 335.3 351.7 356.3 359.3
39 315.5 318.5 323.3 339.9 356.5 361.3 364.3
40 319.0 322.1 326.9 343.9 360.8 365.6 368.7
41 322.0 325.1 330.0 347.3 364.5 369.4 372.6
42 324.4 327.6 332.6 350.1 367.6 372.6 375.8

Data object Description
X axis Weeks
Y axis Millimetres
Date range 14 to 40 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L, Lambert A et al. International standards for fetal growth based on serial ultrasound measurements: the Fetal Growth Longitudinal Study of the INTERGROWTH21st Project. Lancet 2014, 384(9946):869-79.
DOI 10.1016/S0140-6736(14)61490-2
Source https://media.tghn.org/medialibrary/2017/03/GROW_Fetal-ct_hc_Table.pdf
Cris Obstetric Forms
Early Scan (ENW)
Dating Scan (DATNW)

Cris Obstetric Fetal Measurements Reference Data - Head Circumference (HC) Dating Table (Option 2)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
14 87.38 88.69 90.73 97.88 105.02 107.06 108.37
15 99.22 100.61 102.78 110.37 117.97 120.13 121.53
16 111.12 112.60 114.88 122.91 130.94 133.22 134.70
17 123.04 124.59 127.00 135.44 143.87 146.28 147.83
18 134.94 136.56 139.08 147.90 156.73 159.24 160.86
19 146.77 148.46 151.08 160.26 169.45 172.07 173.76
20 158.49 160.24 162.96 172.48 182.00 184.72 186.47
21 170.06 171.87 174.67 184.50 194.34 197.14 198.95
22 181.44 183.30 186.18 196.30 206.42 209.31 211.16
23 192.59 194.50 197.46 207.84 218.22 221.18 223.08
24 203.48 205.42 208.45 219.07 229.69 232.72 234.67
25 214.05 216.04 219.13 229.97 240.81 243.90 245.89
26 224.28 226.31 229.46 240.51 251.56 254.71 256.73
27 234.13 236.20 239.40 250.65 261.89 265.10 267.16
28 243.56 245.66 248.92 260.36 271.80 275.06 277.16
29 252.52 254.66 257.98 269.61 281.25 284.56 286.70
30 260.99 263.17 266.54 278.38 290.22 293.60 295.77
31 268.92 271.14 274.58 286.64 298.71 302.15 304.36
32 276.28 278.54 282.05 294.37 306.68 310.19 312.45
33 283.02 285.34 288.93 301.53 314.13 317.72 320.03
34 289.11 291.48 295.17 308.10 321.03 324.72 327.10
35 294.50 296.95 300.75 314.07 327.39 331.18 333.63
36 299.16 301.69 305.62 319.40 333.17 337.10 339.63
37 303.05 305.68 309.76 324.07 338.39 342.47 345.10
38 306.12 308.86 313.12 328.07 343.01 347.28 350.02
39 308.33 311.21 315.68 331.37 347.05 351.52 354.40
40 309.64 312.68 317.40 333.94 350.49 355.21 358.25

Data object Description
X axis Weeks
Y axis Millimetres
Date range 12 to 42 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Abdominal circumference. Chitty LS, Altman DG, Henderson A, Campbell S. BJOG 1994; 101: 125-131
DOI 10.1111/j.1471-0528.1994.tb13077.x
Source Abdominal circumference. Chitty LS, Altman DG, Henderson A, Campbell S. BJOG 1994; 101: 125-131
Cris Obstetric Forms
Anatomy Scan (ANATNW)
Detailed Scan (DETNW)
Growth Scan (GROWNW)

Cris Obstetric Fetal Measurements Reference Data - Abdominal Circumference (AC) Dating Table (Option 1)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
12 48.0 49.0 50.5 55.8 61.1 62.6 63.6
13 58.5 59.6 61.3 67.4 73.5 75.2 76.3
14 68.8 70.1 72.0 78.9 85.7 87.7 88.9
15 79.1 80.5 82.7 90.3 97.9 100.1 101.5
16 89.3 90.9 93.3 101.6 110.0 112.4 114.0
17 99.5 101.2 103.8 112.9 122.1 124.7 126.4
18 109.5 111.4 114.2 124.1 134.0 136.9 138.7
19 119.5 121.5 124.5 135.2 145.9 149.0 150.9
20 129.4 131.5 134.8 146.2 157.7 161.0 163.1
21 139.2 141.4 144.9 157.2 169.4 172.9 175.1
22 148.9 151.3 155.0 168.0 181.0 184.7 187.1
23 158.5 161.0 164.9 178.7 192.5 196.4 198.9
24 168.0 170.6 174.8 189.3 203.9 208.0 210.7
25 177.3 180.1 184.5 199.8 215.1 219.5 222.3
26 186.6 189.5 194.1 210.2 226.3 230.9 233.8
27 195.7 198.8 203.6 220.4 237.3 242.1 245.2
28 204.7 207.9 212.9 230.6 248.2 253.2 256.5
29 213.5 216.9 222.2 240.6 259.0 264.2 267.6
30 222.3 225.8 231.3 250.4 269.6 275.1 278.6
31 230.9 234.5 240.2 260.1 280.1 285.8 289.4
32 239.3 243.1 249.0 269.7 290.4 296.3 300.1
33 247.6 251.5 257.6 279.1 300.6 306.7 310.7
34 255.7 259.8 266.1 288.4 310.6 317.0 321.1
35 263.7 267.9 274.5 297.5 320.5 327.1 331.3
36 271.5 275.8 282.6 306.4 330.2 337.0 341.4
37 279.1 283.6 290.6 315.2 339.7 346.7 351.2
38 286.6 291.2 298.4 323.8 349.1 356.3 361.0
39 293.8 298.6 306.1 332.2 358.3 365.7 370.5
40 300.9 305.9 313.5 340.4 367.3 374.9 379.9
41 307.8 312.9 320.8 348.4 376.1 383.9 389.0
42 314.5 319.7 327.8 356.3 384.7 392.8 398.0

Data object Description
X axis Weeks
Y axis Millimetres
Date range 14 to 40 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L, Lambert A et al. International standards for fetal growth based on serial ultrasound measurements: the Fetal Growth Longitudinal Study of the INTERGROWTH21st Project. Lancet 2014, 384(9946):869-79.
DOI 10.1016/S0140-6736(14)61490-2
Source https://media.tghn.org/medialibrary/2017/03/GROW_Fetal-ct_ac_Table.pdf
Cris Obstetric Forms
Anatomy Scan (ANATNW)
Detailed Scan (DETNW)
Growth Scan (GROWNW)

Cris Obstetric Fetal Measurements Reference Data - Abdominal Circumference (AC) Dating Table (Option 2)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
14 72.9 73.8 75.3 80.6 85.9 87.4 88.4
15 82.9 84.1 85.8 91.9 98.1 99.8 100.9
16 93.0 94.3 96.3 103.2 110.1 112.1 113.4
17 103.1 104.5 106.7 114.4 122.1 124.3 125.7
18 113.2 114.8 117.2 125.6 134.0 136.4 138.0
19 123.3 125.0 127.6 136.7 145.8 148.4 150.1
20 133.4 135.2 138.0 147.7 157.5 160.3 162.1
21 143.4 145.3 148.3 158.7 169.1 172.0 174.0
22 153.5 155.5 158.6 169.6 180.6 183.7 185.7
23 163.4 165.6 168.9 180.4 192.0 195.3 197.4
24 173.3 175.6 179.0 191.2 203.3 206.8 209.0
25 183.2 185.5 189.1 201.8 214.5 218.1 220.5
26 192.9 195.4 199.1 212.4 225.7 229.5 231.9
27 202.6 205.1 209.1 222.9 236.8 240.7 243.2
28 212.1 214.7 218.8 233.3 247.8 251.9 254.5
29 221.4 224.2 228.5 243.6 258.7 263.0 265.8
30 230.6 233.5 238.0 253.8 269.6 274.1 277.0
31 239.6 242.6 247.4 263.9 280.5 285.2 288.3
32 248.4 251.6 256.5 273.9 291.3 296.3 299.5
33 256.9 260.3 265.5 283.8 302.2 307.4 310.7
34 265.2 268.7 274.3 293.6 313.0 318.5 322.0
35 273.2 276.9 282.8 303.3 323.8 329.6 333.4
36 280.8 284.8 291.0 312.8 334.6 340.9 344.9
37 288.1 292.4 299.0 322.3 345.5 352.1 356.4
38 295.1 299.6 306.7 331.6 356.4 363.5 368.1
39 301.6 306.5 314.1 340.8 367.4 375.0 379.9
40 307.7 312.9 321.1 349.8 378.5 386.7 392.0

Data object Description
X axis Weeks
Y axis Millimetres
Date range 12 to 42 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Femur length. Chitty LS, Altman DG, Henderson A, Campbell S. BJOG 1994; 101: 132-135
DOI 10.1111/j.1471-0528.1994.tb13078.x
Source https://obgyn.onlinelibrary.wiley.com/doi/10.1111/j.1471-0528.1994.tb13078.x
Cris Obstetric Forms
Anatomy Scan (ANATNW)
Detailed Scan (DETNW)
Growth Scan (GROWNW)

Cris Obstetric Fetal Measurements Reference Data - Femur Length (FL) Dating Table (Option 1)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
12 4.4 4.8 5.5 7.7 10.0 10.6 11.0
13 7.5 7.9 8.6 10.9 13.3 13.9 14.3
14 10.6 11.0 11.7 14.1 16.5 17.2 17.6
15 13.6 14.0 14.7 17.2 19.7 20.4 20.8
16 16.5 17.0 17.7 20.3 22.8 23.5 24.0
17 19.4 19.9 20.7 23.3 25.9 26.7 27.1
18 22.3 22.8 23.6 26.3 29.0 29.7 30.2
19 25.1 25.6 26.4 29.2 32.0 32.8 33.3
20 27.9 28.4 29.2 32.1 34.9 35.7 36.2
21 30.6 31.1 31.9 34.9 37.8 38.6 39.2
22 33.2 33.8 34.6 37.6 40.6 41.5 42.0
23 35.8 36.4 37.2 40.3 43.4 44.3 44.8
24 38.3 38.9 39.8 42.9 46.1 47.0 47.6
25 40.7 41.3 42.3 45.5 48.7 49.6 50.2
26 43.1 43.7 44.7 48.0 51.3 52.2 52.8
27 45.4 46.0 47.0 50.4 53.7 54.7 55.3
28 47.6 48.3 49.3 52.7 56.1 57.1 57.8
29 49.8 50.4 51.4 54.9 58.5 59.5 60.1
30 51.8 52.5 53.5 57.1 60.7 61.7 62.4
31 53.8 54.5 55.5 59.2 62.9 63.9 64.6
32 55.7 56.4 57.4 61.2 64.9 66.0 66.7
33 57.5 58.2 59.3 63.1 66.9 68.0 68.7
34 59.2 59.9 61.0 64.9 68.8 69.9 70.6
35 60.8 61.5 62.6 66.6 70.6 71.7 72.4
36 62.3 63.0 64.1 68.2 72.2 73.4 74.1
37 63.6 64.4 65.6 69.7 73.8 75.0 75.7
38 64.9 65.7 66.9 71.1 75.3 76.5 77.2
39 66.1 66.9 68.1 72.4 76.6 77.9 78.6
40 67.2 68.0 69.2 73.5 77.9 79.1 79.9
41 68.1 68.9 70.2 74.6 79.0 80.3 81.1
42 68.9 69.8 71.1 75.5 80.0 81.3 82.1

Data object Description
X axis Weeks
Y axis Millimetres
Date range 14 to 40 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L, Lambert A et al. International standards for fetal growth based on serial ultrasound measurements: the Fetal Growth Longitudinal Study of the INTERGROWTH21st Project. Lancet 2014, 384(9946):869-79.
DOI 10.1016/S0140-6736(14)61490-2
Source https://media.tghn.org/medialibrary/2017/03/GROW_Fetal-ct_fl_Table.pdf
Cris Obstetric Forms
Anatomy Scan (ANATNW)
Detailed Scan (DETNW)
Growth Scan (GROWNW)

Cris Obstetric Fetal Measurements Reference Data - Femur Length (FL) Dating Table (Option 2)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
14 10.3 10.6 11.2 13.1 15.1 15.6 16.0
15 13.4 13.7 14.3 16.3 18.3 18.9 19.3
16 16.4 16.8 17.4 19.5 21.5 22.1 22.5
17 19.4 19.8 20.4 22.5 24.7 25.3 25.7
18 22.3 22.7 23.4 25.5 27.7 28.3 28.7
19 25.2 25.6 26.2 28.5 30.7 31.3 31.7
20 28.0 28.4 29.0 31.3 33.6 34.2 34.6
21 30.6 31.1 31.7 34.1 36.4 37.0 37.5
22 33.3 33.7 34.4 36.7 39.1 39.8 40.2
23 35.8 36.2 36.9 39.4 41.8 42.5 42.9
24 38.3 38.7 39.4 41.9 44.4 45.1 45.5
25 40.6 41.1 41.8 44.4 46.9 47.6 48.1
26 42.9 43.4 44.1 46.7 49.3 50.1 50.5
27 45.1 45.6 46.4 49.0 51.7 52.5 52.9
28 47.3 47.8 48.6 51.3 54.0 54.8 55.3
29 49.3 49.8 50.6 53.4 56.2 57.0 57.5
30 51.3 51.8 52.6 55.5 58.4 59.2 59.7
31 53.2 53.7 54.6 57.5 60.5 61.3 61.9
32 55.0 55.5 56.4 59.4 62.5 63.4 63.9
33 56.7 57.3 58.2 61.3 64.4 65.3 65.9
34 58.3 58.9 59.8 63.1 66.3 67.2 67.8
35 59.8 60.5 61.4 64.8 68.1 69.1 69.7
36 61.3 61.9 62.9 66.4 69.9 70.9 71.5
37 62.6 63.3 64.3 67.9 71.6 72.6 73.3
38 63.9 64.6 65.6 69.4 73.2 74.3 75.0
39 65.0 65.8 66.9 70.8 74.7 75.9 76.6
40 66.1 66.8 68.0 72.1 76.2 77.4 78.2

Data object Description
X axis Weeks
Y axis Millimetres
Date range 14 to 40 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L, Lambert A et al. International standards for fetal growth based on serial ultrasound measurements: the Fetal Growth Longitudinal Study of the INTERGROWTH21st Project. Lancet 2014, 384(9946):869-79.
DOI 10.1016/S0140-6736(14)61490-2
Source https://media.tghn.org/medialibrary/2017/03/GROW_Fetal-ct_fl_Table.pdf
Cris Obstetric Forms
Anatomy Scan (ANATNW)
Detailed Scan (DETNW)
Growth Scan (GROWNW)

Cris Obstetric Fetal Measurements Reference Data - Femur Length (FL) Dating Table (Option 2)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
14 10.3 10.6 11.2 13.1 15.1 15.6 16.0
15 13.4 13.7 14.3 16.3 18.3 18.9 19.3
16 16.4 16.8 17.4 19.5 21.5 22.1 22.5
17 19.4 19.8 20.4 22.5 24.7 25.3 25.7
18 22.3 22.7 23.4 25.5 27.7 28.3 28.7
19 25.2 25.6 26.2 28.5 30.7 31.3 31.7
20 28.0 28.4 29.0 31.3 33.6 34.2 34.6
21 30.6 31.1 31.7 34.1 36.4 37.0 37.5
22 33.3 33.7 34.4 36.7 39.1 39.8 40.2
23 35.8 36.2 36.9 39.4 41.8 42.5 42.9
24 38.3 38.7 39.4 41.9 44.4 45.1 45.5
25 40.6 41.1 41.8 44.4 46.9 47.6 48.1
26 42.9 43.4 44.1 46.7 49.3 50.1 50.5
27 45.1 45.6 46.4 49.0 51.7 52.5 52.9
28 47.3 47.8 48.6 51.3 54.0 54.8 55.3
29 49.3 49.8 50.6 53.4 56.2 57.0 57.5
30 51.3 51.8 52.6 55.5 58.4 59.2 59.7
31 53.2 53.7 54.6 57.5 60.5 61.3 61.9
32 55.0 55.5 56.4 59.4 62.5 63.4 63.9
33 56.7 57.3 58.2 61.3 64.4 65.3 65.9
34 58.3 58.9 59.8 63.1 66.3 67.2 67.8
35 59.8 60.5 61.4 64.8 68.1 69.1 69.7
36 61.3 61.9 62.9 66.4 69.9 70.9 71.5
37 62.6 63.3 64.3 67.9 71.6 72.6 73.3
38 63.9 64.6 65.6 69.4 73.2 74.3 75.0
39 65.0 65.8 66.9 70.8 74.7 75.9 76.6
40 66.1 66.8 68.0 72.1 76.2 77.4 78.2

Data object Description
X axis Weeks
Y axis Pulsatility Index
Date range 19 to 41 wks
Centiles

2.5th and 97.5th

5th and 95th

10th and 90th
Citation

Acharya, Ganesh & Wilsgaard, Tom & Berntsen, G. & Maltau, Jan & Kiserud, Torvid. (2005). Reference ranges for serial measurements of umbilical artery Doppler indices in the second half of pregnancy. American journal of obstetrics and gynecology. 192. 937-44.

DOI 10.1016/j.ajog.2004.09.019.
Source https://www.researchgate.net/publication/7986912_Reference_ranges_for_serial_measurements_of_umbilical_artery_Doppler_indices_in_the_second_half_of_pregnancy

Cris Obstetric Fetal Measurements Reference Data - Umbilical Artery Pulsatility Index (UmAPI) Dating Table (Option 2)

Gestational age (weeks)

 2.5th centile 5th centile 10th centile 50th centile 90th centile 95th centile 97.5th centile

19

0.97

1.02

1.08

1.30

1.57

1.66

1.74

20

0.94

0.99

1.04

1.27

1.54

1.62

1.70

21

0.90

0.95

1.00

1.22

1.49

1.58

1.65

22

0.87

0.92

0.97

1.19

1.46

1.54

1.62

23

0.84

0.89

0.94

1.15

1.42

1.50

1.58

24

0.81

0.86

0.91

1.12

1.38

1.47

1.55

25

0.78

0.83

0.88

1.09

1.35

1.44

1.51

26

0.76

0.80

0.85

1.06

1.32

1.41

1.48

27

0.73

0.77

0.82

1.03

1.29

1.38

1.45

28

0.71

0.75

0.80

1.00

1.26

1.35

1.43

29

0.68

0.72

0.77

0.98

1.23

1.32

1.40

30

0.66

0.70

0.75

0.95

1.21

1.29

1.37

31

0.64

0.68

0.73

0.93

1.18

1.27

1.35

32

0.62

0.66

0.70

0.90

1.16

1.25

1.32

33

0.60

0.64

0.68

0.88

1.14

1.22

1.30

34

0.58

0.62

0.66

0.86

1.12

1.20

1.28

35

0.56

0.60

0.64

0.84

1.09

1.18

1.26

36

0.54

0.58

0.63

0.82

1.07

1.16

1.24

37

0.53

0.56

0.61

0.80

1.05

1.14

1.22

38

0.51

0.55

0.59

0.78

1.04

1.12

1.20

39

0.49

0.53

0.57

0.76

1.02

1.10

1.18

40

0.48

0.51

0.56

0.75

1.00

1.09

1.17

41

0.47

0.50

0.54

0.73

0.98

1.07

1.15

Data object Description
X axis Weeks
Y axis Resistance Index
Date range 19 to 41 wks
Centiles 2.5th and 97.5th, 5th and 95th, 10th and 90 th
Citation Papadopoulos VG, Kourea HP, Adonakis GL, Decavalas GO. A case of umbilical cord hemangioma: Doppler studies and review of the literature. Eur J Obstet Gynecol Reprod Biol. 2009 May;144(1):8-14.
DOI 1016/j.ejogrb.2009.01.011
Source

https://www.ejog.org/article/S0301-2115(09)00073-6/fulltext

Cris Obstetric Fetal Measurements Reference Data - Umbilical Artery Resistance Index (UARI) Dating Table

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
19 0.64 0.66 0.68 0.77 0.85 0.88 0.90
20 0.63 0.65 0.67 0.75 0.84 0.87 0.89
21 0.62 0.64 0.66 0.74 0.83 0.85 0.88
22 0.60 0.62 0.65 0.73 0.82 0.84 0.87
23 0.59 0.61 0.63 0.72 0.81 0.83 0.86
24 0.58 0.60 0.62 0.71 0.80 0.82 0.85
25 0.56 0.58 0.61 0.69 0.79 0.81 0.84
26 0.55 0.57 0.59 0.68 0.78 0.80 0.83
27 0.54 0.56 0.58 0.67 0.77 0.79 0.82
28 0.53 0.55 0.57 0.66 0.76 0.78 0.81
29 0.51 0.53 0.56 0.65 0.75 0.77 0.80
30 0.50 0.52 0.54 0.64 0.74 0.76 0.79
31 0.49 0.51 0.53 0.63 0.73 0.76 0.78
32 0.47 0.50 0.52 0.61 0.72 0.75 0.77
33 0.46 0.48 0.51 0.60 0.71 0.74 0.77
34 0.45 0.47 0.50 0.59 0.70 0.73 0.76
35 0.44 0.46 0.48 0.58 0.69 0.72 0.75
36 0.42 0.45 0.47 0.57 0.68 0.71 0.74
37 0.41 0.43 0.46 0.56 0.67 0.70 0.73
38 0.40 0.42 0.45 0.55 0.66 0.70 0.73
39 0.39 0.41 0.44 0.54 0.65 0.69 0.72
40 0.38 0.40 0.43 0.53 0.65 0.68 0.71
41 0.36 0.39 0.41 0.52 0.64 0.67 0.70

Data object Description
X axis Weeks
Y axis Grams
Date range 20 to 41 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Nicolaides, K.H., Wright, D., Syngelaki, A., Wright, A. and Akolekar, R. (2018), Fetal Medicine Foundation fetal and neonatal population weight charts. Ultrasound Obstet Gynecol, 52: 44-51.
DOI 10.1002/uog.19073
Source https://fetalmedicine.org/var/material/publication_pdf/Nicolaides2018FMFweightcharts.pdf
Cris Obstetric Forms
Growth Scale (GROWNW)

Cris Obstetric Fetal Measurements Reference Data - Estimated Foetal Weight (EFW) Dating Table (Option 1)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
20 300 306 314 346 381 392 399
21 358 364 375 413 455 468 477
22 424 432 444 491 542 557 567
23 501 510 525 580 641 659 671
24 588 599 616 682 754 776 791
25 686 699 719 797 883 909 926
26 796 811 835 926 1027 1058 1078
27 918 936 964 1070 1188 1224 1248
28 1052 1072 1105 1228 1365 1407 1435
29 1197 1221 1258 1400 1558 1606 1638
30 1353 1380 1423 1586 1767 1822 1858
31 1518 1549 1598 1782 1988 2051 2092
32 1691 1725 1780 1988 2221 2291 2338
33 1868 1907 1968 2201 2461 2540 2593
34 2048 2091 2159 2416 2705 2793 2851
35 2226 2273 2347 2631 2948 3045 3110
36 2398 2449 2531 2839 3186 3292 3362
37 2561 2616 2704 3037 3412 3526 3602
38 2709 2768 2862 3219 3620 3742 3824
39 2839 2901 3001 3379 3804 3934 4021
40 2945 3011 3115 3512 3959 4095 4187
41 3025 3094 3201 3613 4078 4220 4315

Data object Description
X axis Weeks
Y axis Grams
Date range 22 to 40 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Stirnemann J, Villar J, Salomon LJ, et al. International estimated fetal weight standards of the INTERGROWTH-21st Project. Ultrasound Obstet Gynecol. 2017;49(4):478–486.
DOI 10.1002/uog.17347
Source

https://media.tghn.org/medialibrary/2017/12/GROW_EFW_ct_Table_values.pdf

Cris Obstetric Forms
Growth Scale (GROWNW)

Cris Obstetric Fetal Measurements Reference Data - Estimated Fetal Weight (EFW) Dating Table (Option 2)

Gestational age (exact weeks)

 3rd centile 5th centile 10th centile 50th centile 90th centile 95th centile 97th centile
22 463 470 481 525 578 596 607
23 516 524 538 592 658 680 695
24 575 585 602 669 751 778 796
25 641 654 674 756 858 891 913
26 716 732 757 856 980 1020 1048
27 800 818 849 969 1119 1168 1202
28 892 915 951 1097 1276 1335 1375
29 994 1021 1065 1239 1452 1521 1569
30 1106 1138 1190 1396 1647 1728 1783
31 1227 1265 1326 1568 1860 1953 2016
32 1357 1401 1473 1755 2089 2195 2266
33 1495 1547 1630 1954 2332 2450 2529
34 1641 1700 1795 2162 2583 2713 2800
35 1792 1860 1967 2378 2838 2978 3071
36 1948 2024 2144 2594 3089 3237 3335
37 2106 2190 2321 2806 3326 3480 3582
38 2265 2355 2495 3006 3541 3697 3799
39 2422 2516 2663 3186 3722 3876 3976
40 2574 2670 2818 3338 3858 4006 4101

Warning: This chart is only for use in conjunction with legacy data as this measurement type is no longer used by BMUS.

Data object Description
X axis Weeks
Y axis Millimetres
Date range 14 to 40 wks
Centiles 3rd and 97th, 5th and 95th, 10th and 90 th
Citation Papageorghiou AT, Ohuma EO, Altman DG, Todros T, Cheikh Ismail L, Lambert A et al. International standards for fetal growth based on serial ultrasound measurements: the Fetal Growth Longitudinal Study of the INTERGROWTH21st Project. Lancet 2014, 384(9946):869-79.
DOI 10.1016/S0140-6736(14)61490-2

Cris Obstetric Fetal Measurements Reference Data – Bi Parietal Diameter (BPD) Dating Table

Gestational age (exact weeks)

3rd centile5th centile10th centile50th centile90th centile95th centile97th centile
14 26.326.727.429.631.832.532.9
15 29.129.630.232.634.935.636.0
16 32.032.533.235.738.138.839.3
17 35.035.536.238.841.442.142.6
18 38.038.539.342.044.745.445.9
19 41.141.642.445.248.048.849.3
20 44.144.745.548.451.452.252.8
21 47.247.848.651.754.855.656.2
22 50.350.951.855.058.159.059.6
23 53.454.054.958.261.562.463.0
24 56.457.058.061.464.865.766.4
25 59.460.061.064.568.069.069.7
26 62.363.064.067.671.272.272.9
27 65.265.966.970.674.375.376.0
28 67.968.669.773.577.378.379.0
29 70.671.372.476.380.181.281.9
30 73.173.975.078.982.884.084.7
31 75.576.377.481.485.486.687.3
32 77.878.579.783.887.889.089.8
33 79.880.681.885.990.191.392.0
34 81.782.483.787.992.293.494.1
35 83.384.185.389.794.095.296.0
36 84.785.586.891.295.796.997.7
37 85.986.788.092.597.198.499.2
38 86.787.688.993.698.399.6100.5
39 87.388.289.694.499.2100.6101.5
40 87.588.489.994.999.9101.3102.3