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Ultrasonic Fetal Measurement Standards Chart |
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Gestation |
BPD |
OFD |
Head |
Abdominal |
Femur |
Humerus |
Gestation |
+/- 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 |
BPD |
OFD |
Head |
Abdominal |
Femur |
Humerus |
Gestation |
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 |
BPD |
OFD |
Head |
Abdominal |
Femur |
Humerus |
Gestation |
