双顶径和股骨长标准
|
孕周 |
双顶径平均值（cm） |
腹围平均值（cm） |
股骨长（cm） |
|
13 |
2.52+0.25 |
6.90+1.65 |
1.17+0.31 |
|
14 |
2.83+0.51 |
7.77+1.82 |
1.74+0.58 |
|
15 |
3.23+0.51 |
9.13+1.56 |
1.74+0.58 |
|
16 |
3.62+0.58 |
10.32+1.92 |
2.10+0.51 |
|
17 |
3.97+0.44 |
11.49+1.62 |
2.52+0.44 |
|
18 |
4.25+0.53 |
12.41+1.89 |
2.71+0.46 |
|
19 |
4.52+0.53 |
13.59+2.30 |
3.03+0.50 |
|
20 |
4.88+0.58 |
14.80+1.89 |
3.35+0.47 |
|
21 |
5.22+0.42 |
15.62+1.84 |
3.64+0.40 |
|
22 |
5.45+0.57 |
16.70+2.23 |
3.82+0.47 |
|
23 |
5.80+0.44 |
17.90+1.85 |
4.21+0.41 |
|
24 |
6.05+0.50 |
18.74+2.23 |
4.36+0.51 |
|
25 |
6.39+0.70 |
19.64+2.20 |
4.65+0.42 |
|
26 |
6.68+0.61 |
21.62+2.30 |
4.87+0.41 |
|
27 |
6.98+0.57 |
21.81+2.12 |
5.10+0.41 |
|
28 |
7.24+0.65 |
22.86+2.14 |
5.35+0.55 |
|
29 |
7.50+0.65 |
23.71+1.50 |
5.61+0.44 |
|
30 |
7.83+0.62 |
24.88+2.03 |
5.77+0.47 |
|
31 |
8.06+0.60 |
25.78+2.32 |
6.03+0.38 |
|
32 |
8.17+0.65 |
26.20+0.33 |
6.43+0.49 |
|
33 |
8.50+0.47 |
27.78+2.30 |
6.52+0.46 |
|
34 |
8.61+0.63 |
27.99+2.55 |
6.62+0.43 |
|
35 |
8.70+0.55 |
28.74+2.88 |
6.71+0.45 |
|
36 |
8.81+0.57 |
29.44+2.83 |
6.95+0.47 |
|
37 |
9.00+0.63 |
30.14+2.17 |
7.10+0.52 |
|
38 |
9.08+0.59 |
30.63+2.83 |
7.20+0.43 |
|
39 |
9.21+0.59 |
31.34+3.12 |
7.34+0.53 |
|
40 |
9.28+0.50 |
31.49+2.79 |
7.40+0.53 |
