Tuesday 7 March 2017

Ultrasound Fetal Measurement Standards Chart

Ultrasonic Fetal Measurement Standards Chart
Gestation
(weeks)
BPD
(mm)
OFD
(mm)
Head
circumference
(mm)
Abdominal
circumference
(mm)
Femur
(mm)
Humerus
(mm)
Gestation
(weeks)
+/- Standard deviations shown in (brackets).  Measurements are for completed weeks.
11
16 (2.0)
21 (2.0)
59 (15)
52 (10)
8 (2.0)
8 (3.0)
11
12
20 (4.0)
24 (2.0)
70 (15)
63 (10)
10 (2.5)
9 (2.0)
12
13
24 (4.0)
29 (3.0)
84 (15)
74 (10)
11 (2.5)
11 (3.0)
13
14
28 (4.0)
34 (3.0)
96 (15)
84 (10)
15 (3.0)
14 (4.0)
14
15
31 (4.0)
38 (3.0)
108 (15)
96 (10)
17 (3.5)
17 (5.5)
15
16
36 (5.0)
46 (3.0)
128 (15)
106 (10)
22 (4.0)
21 (4.0)
16
17
39 (5.0)
50 (3.0)
141 (15)
120 (15)
25 (4.0)
25 (5.0)
17
18
42 (4.0)
54 (3.5)
151 (20)
131 (15)
28 (5.0)
27 (5.5)
18
19
45 (5.0)
57 (3.5)
160 (20)
140 (15)
30 (5.0)
29 (5.0)
19
20
47 (4.0)
61 (3.5)
170 (20)
151 (15)
32 (6.0)
31 (5.0)
20
21
49 (4.0)
63  (4.0)
176 (20)
164 (20)
34 (6.0)
32 (6.0)
21
22
52 (5.0)
68 (3.5)
188 (20)
176 (20)
37 (5.0)
35 (6.0)
22
23
57 (5.0)
76 (4.0)
210 (20)
186 (20)
43 (5.0)
38 (4.0)
23
24
60 (6.0)
79 (4.0)
220 (20)
201 (20)
45 (4.0)
40 (6.0)
24
25
64 (6.0)
82 (4.5)
231 (20)
212 (20)
48 (5.0)
43 (5.0)
25
Gestation
(weeks)
BPD
(mm)
OFD
(mm)
Head
circumference
(mm)
Abdominal
circumference
(mm)
Femur
(mm)
Humerus
(mm)
Gestation
(weeks)
26
67 (4.0)
84 (4.5)
238 (20)
223 (25)
49 (5.0)
44 (4.0)
26
27
68 (5.0)
86 (4.5)
250 (20)
230 (25)
50 (5.0)
47 (4.0)
27
28
72 (4.0)
95 (5.0)
263 (20)
242 (25)
54 (4.0)
50 (5.0)
28
29
75 (4.0)
97 (5.5)
269 (25)
259 (25)
55 (5.5)
51 (5.0)
29
30
76 (4.0)
98 (5.5)
274 (25)
262 (25)
58 (6.0)
52 (5.0)
30
31
80 (6.0)
101 (5.0)
284 (25)
272 (30)
59 (5.5)
54 (5.0)
31
32
81 (4.0)
102 (5.0)
288 (25)
283 (30)
62 (6.0)
56 (5.0)
32
33
84 (6.0)
107 (5.5)
300 (25)
294 (30)
65 (4.0)
57 (6.0)
33
34
86 (6.0)
108 (5.5)
305 (25)
305 (30)
66 (4.0)
59 (5.5)
34
35
88 (6.5)
109 (5.5)
 310 (25)
315 (30)
67 (6.0)
60 (6.0)
35
36
90 (6.0)
112 (5.5)
317 (25)
325 (35)
69 (6.0)
62 (5.0)
36
37
92 (6.5)
113 (6.0)
321 (25)
333 (35)
72 (5.0)
63 (6.0)
37
38
93 (6.0)
116 (5.5)
328 (25)
342 (35)
73 (5.5)
64 (6.0)
38
39
95 (8.0)
119 (6.0)
336 (25)
356 (35)
75 (6.0)
65 (5.5)
39
40
96 (8.0)
120 (6.0)
340 (25)
362 (35)
76 (4.0)
66 (6.0)
40
41
98 (8.0)
122 (6.0)
344 (25)
367 (35)
77 (5.0)
68 (6.0)
41
Gestation
(weeks)
BPD
(mm)
OFD
(mm)
Head
circumference
(mm)
Abdominal
circumference
(mm)
Femur
(mm)
Humerus
(mm)
Gestation
(weeks)

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