Biometric Tables

and Laurence Loeuillet2



(1)
Centre d’échographie Ambroise Paré, Les Mureaux, France

(2)
Hôpital Cochin, Paris, France

 






Table 8.1
Measurements of biparietal diameter











































































































































































































































(SA ± 3J)
BIP p3
BIP p10
BIP p50
BIP p90
BIP p97

11
12.08
13.12
15.36
17.60
18.63

12
15.81
16.96
19.40
21.81
22.92

13
19.47
20.71
23.30
25.92
27.12

14
23.05
24.36
27.14
29.92
31.23

15
26.56
27.93
30.89
33.82
35.23

16
29.97
31.41
34.53
37.62
39.08

17
33.32
34.85
38.12
41.35
42.87

18
36.55
38.15
41.58
44.97
46.56

19
39.76
41.46
45.00
48.52
50.18

20
42.85
44.56
48.22
51.90
53.64

21
45.86
47.66
51.43
55.23
57.00

22
48.79
50.61
54.53
58.44
60.30

23
51.63
53.48
57.51
61.54
63.45

24
54.38
56.31
60.42
64.57
66.50

25
57.04
59.00
63.25
67.48
69.42

26
59.62
61.64
65.94
70.24
72.27

27
62.12
64.15
68.35
72.92
75.00

28
64.50
66.61
71.03
75.52
77.60

29
66.84
68.98
73.50
77.97
80.09

30
69.07
71.21
75.80
80.37
82.52

31
71.22
73.39
78.00
82.63
84.80

32
73.30
75.49
80.16
84.80
87.00

33
75.24
77.46
82.14
86.84
89.04

34
77.14
79.36
84.07
88.80
91.00

35
78.94
81.14
85.90
90.61
92.83

36
80.64
82.88
87.61
92.35
94.56

37
82.27
84.50
89.24
93.97
96.19

38
83.78
86.00
90.70
95.42
97.66

39
85.22
87.43
92.10
96.86
99.05

40
86.57
88.78
93.45
98.13
100.31

41
87.00
89.00
94.00
99.00
101.00


Biparietal Diameter (Snidjers)





Table 8.2
Normal range for biparietal diameter (mm)


















































































































































Gestational age range (weeks + days)
Biparietal diameter (mm)

5th centile
Median
95th centile

14 + 0–14 + 6
28
31
34

15 + 0–15 + 6
31
34
37

16 + 0–16 + 6
34
37
40

17 + 0–17 + 6
36
40
43

18 + 0–18 + 6
39
43
47

19 + 0–19 + 6
42
46
50

20 + 0–20 + 6
45
49
54

21 + 0–21 + 6
48
52
57

22 + 0–22 + 6
51
56
61

23 + 0–23 + 6
54
59
64

24 + 0–24 + 6
57
62
68

25 + 0–25 + 6
60
66
71

26 + 0–26 + 6
63
69
75

27 + 0–27 + 6
66
72
78

28 + 0–28 + 6
69
75
81

29 + 0–29 + 6
72
78
85

30 + 0–30 + 6
74
81
88

31 + 0−31 + 6
77
83
90

32 + 0–32 + 6
79
86
93

33 + 0–33 + 6
81
88
96

34 + 0–34 + 6
83
90
98

35 + 0–35 + 6
85
92
100

36 + 0–36 + 6
86
94
102

37 + 0–37 + 6
87
95
103

38 + 0–38 + 6
88
96
104

39 + 0–39 + 6
89
97
105


Snijders RJM, Nicolaides KH (1994) Fetal biometry at 14–40 weeks gestation. Ultrasound Obstet Gynecol 4:34–48 – With permission



Table 8.3
Measurements of cephalic perimeter











































































































































































































































(SA±3J)
PC p3
PC p10
PC p50
PC p90
PC p97

11
          

12
          

13
          

14
          

15
          

16
105.80
110.58
120.86
131.25
136.11

17
118.67
123.78
134.49
145.38
150.39

18
131.08
136.36
147.55
158.92
164.11

19
143.00
148.53
160.29
172.14
177.48

20
154.53
160.21
172.47
184.86
190.54

21
165.41
171.49
184.21
197.12
203.09

22
176.12
182.35
195.74
208.91
215.15

23
186.32
192.31
206.64
220.26
226.76

24
196.19
203.00
217.18
231.39
238.00

25
205.50
212.40
227.32
241.91
248.81

26
214.44
221.57
236.72
252.00
259.23

27
222.87
230,33
246.00
261.75
269.13

28
231.00
238.56
254.77
271.00
278.57

29
238.40
246.35
263.00
279.71
287.56

30
245.86
253.74
270.84
288.13
296.00

31
252.54
260.81
278.33
296.00
304.27

32
258.86
267.22
285.29
303.54
312.00

33
264.62
273.38
292.00
310.40
319.10

34
270.14
279.00
298.10
317.00
325.91

35
275.33
284.23
303.62
323.00
332.16

36
279.79
289.00
308.81
328.75
338.00

37
283.90
293.32
313.52
334.00
343.34

38
287.63
297.29
317.88
338.64
348.29

39
290.88
300.76
321.86
343.00
352.67

40
293.00
303.00
324.00
346.00
356.00

41
          



Table 8.4
Normal range for head circumference (mm)


















































































































































Gestational age range (weeks + days)
Head circumference (mm)

5th centile
Median
95th centile

14 + 0–14 + 6
102
110
118

15 + 0–15 + 6
111
120
129

16 + 0−16 + 6
120
130
140

17 + 0–17 + 6
130
141
152

18 + 0–18 + 6
141
152
164

19 + 0–19 + 6
151
163
176

20 + 0–20 + 6
162
175
189

21 + 0–21 + 6
173
187
201

22 + 0–22 + 6
184
198
214

23 + 0–23 + 6
195
210
227

24 + 0–24 + 6
206
222
240

25 + 0–25 + 6
217
234
252

26 + 0–26 + 6
227
245
264

27 + 0–27 + 6
238
256
277

28 + 0–28 + 6
248
267
288

29 + 0–29 + 6
257
277
299

30 + 0–30 + 6
266
287
309

31 + 0–31 + 6
274
296
319

32 + 0–32 + 6
282
304
328

33 + 0–33 + 6
288
311
336

34 + 0–34 + 6
294
317
342

35 + 0–35 + 6
299
323
348

36 + 0–36 + 6
303
327
353

37 + 0–37 + 6
306
330
356

38 + 0–38 + 6
308
332
358

39 + 0–39 + 6
309
333
359


Snijders RJM, Nicolaides KH (1994) Fetal biometry at 14–40 weeks’ gestation. Ultrasound Obstet Gynecol 4:34–48 – With permission


A334681_1_En_8_Figa_HTML.gif



Table 8.5
Normal range for transverse cerebellar diameter (mm)























Gestational age range (weeks + days)
Transverse cerebellar diameter (mm)

5th centile
Median
95th centile

14 + 0–14 + 6
12
14
15

15 + 0–15 + 6

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Aug 1, 2017 | Posted by in GENERAL RADIOLOGY | Comments Off on Biometric Tables

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