孕周 | 参考平均值(cm) | 参考范围(cm) |
14 | 2.8 | 2.5~3.2 |
15 | 3.2 | 2.8~3.6 |
16 | 3.5 | 3.1~3.9 |
17 | 3.8 | 3.3~4.3 |
18 | 4.2 | 3.6~4.6 |
19 | 4.5 | 3.9~5.0 |
20 | 4.8 | 4.2~5.4 |
21 | 5.1 | 4.5~5.7 |
22 | 5.5 | 4.8~6.0 |
23 | 5.8 | 5.1~6.4 |
24 | 6.1 | 5.4~6.7 |
25 | 6.4 | 5.7~7.0 |
26 | 6.7 | 6.0~7.3 |
27 | 7.0 | 6.3~7.6 |
28 | 7.3 | 6.6~7.9 |
29 | 7.5 | 6.8~8.2 |
30 | 7.8 | 7.1~8.5 |
31 | 8.0 | 7.3~8.7 |
32 | 8.3 | 7.6~9.0 |
33 | 8.5 | 7.8~9.2 |
34 | 8.7 | 8.0~9.4 |
35 | 8.9 | 8.2~9.6 |
36 | 9.1 | 8.4~9.8 |
37 | 9.4 | 8.6~9.9 |
38 | 9.5 | 8.7~10.0 |
39 | 9.5 | 8.9~10.1 |
40 | 9.6 | 9.0~10.2 |
孕周 | 参考平均值(cm) | 参考范围(cm) |
14 | 1.5 | 1.2~1.8 |
15 | 1.9 | 1.5~2.2 |
16 | 2.2 | 1.8~2.5 |
17 | 2.5 | 2.1~2.8 |
18 | 2.8 | 2.4~3.2 |
19 | 3.1 | 2.7~3.5 |
20 | 3.4 | 3.0~3.8 |
21 | 3.7 | 3.3~4.1 |
22 | 4.0 | 3.6~4.4 |
23 | 4.2 | 3.8~4.7 |
24 | 4.5 | 4.1~5.0 |
25 | 4.8 | 4.3~5.2 |
26 | 5.0 | 4.6~5.5 |
27 | 5.3 | 4.8~5.7 |
28 | 5.5 | 5.0~6.0 |
29 | 5.7 | 5.2~6.2 |
30 | 6.0 | 5.5~6.5 |
31 | 6.2 | 5.7~6.7 |
32 | 6.4 | 5.8~6.9 |
33 | 6.6 | 6.0~7.1 |
34 | 6.8 | 6.2~7.3 |
35 | 7.0 | 6.4~7.5 |
36 | 7.1 | 6.5~7.7 |
37 | 7.3 | 6.7~7.9 |
38 | 7.5 | 6.9~8.1 |
39 | 7.6 | 7.0~8.3 |
40 | 7.8 | 7.1~8.4 |
孕周 | 参考平均值(cm) | 参考范围(cm) |
20 | 15.5 | 14.0~17.0 |
21 | 16.7 | 15.1~18.4 |
22 | 17.9 | 16.1~19.7 |
23 | 19.1 | 17.7~21.0 |
24 | 20.2 | 18.1~22.3 |
25 | 21.3 | 19.1~23.5 |
26 | 22.3 | 20.0~24.7 |
27 | 23.4 | 21.4~25.9 |
28 | 24.4 | 21.7~27.0 |
29 | 25.3 | 22.6~28.1 |
30 | 26.2 | 23.4~29.1 |
31 | 27.1 | 24.2~30.1 |
32 | 28.0 | 24.9~31.1 |
33 | 28.8 | 25.7~32.0 |
34 | 29.6 | 26.4~32.9 |
35 | 30.4 | 27.0~33.7 |
36 | 31.1 | 27.5~34.5 |
37 | 31.8 | 28.3~35.3 |
38 | 32.4 | 28.9~36.0 |
39 | 33.1 | 29.4~36.7 |
40 | 33.7 | 30.0~37.4 |
41 | 34.2 | 30.4~38.0 |
42 | 34.7 | 30.9~38.5 |
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