B超单的三个神奇作用
2008-12-01 09:25:40出处:pckids作者:佚名
各孕周相应B超数值对照表:
双顶径BPD——胎儿头部从左到右最长的部分。
头围HC——胎儿环头一周的长度。
腹围AC——胎儿肚子一周的长度。
股骨长FL——胎儿大腿骨的长度。
孕周
|
BPD
|
FL
|
HC
|
AC
|
12
|
2.0
|
0.8
|
7.1
|
5.6
|
13
|
2.3
|
1.1
|
8.4
|
6.9
|
14
|
2.7
|
1.5
|
9.8
|
8.1
|
15
|
3.0
|
1.8
|
11.1
|
9.3
|
16
|
3.3
|
2.1
|
12.4
|
10.5
|
17
|
3.7
|
2.4
|
13.7
|
11.7
|
孕周
|
BPD
|
FL
|
HC
|
AC
|
18
|
4.2
|
2.7
|
15.0
|
12.9
|
19
|
4.3
|
3.0
|
16.3
|
13.4
|
20
|
4.6
|
3.3
|
17.5
|
15.2
|
21
|
5.0
|
3.6
|
18.7
|
16.4
|
22
|
5.3
|
3.9
|
19.9
|
17.5
|
23
|
5.6
|
4.2
|
21.0
|
18.6
|
孕周
|
BPD
|
FL
|
HC
|
AC
|
24
|
5.8
|
4.4
|
22.1
|
19.7
|
25
|
6.1
|
4.7
|
23.2
|
20.8
|
26
|
6.4
|
4.9
|
24.2
|
21.9
|
27
|
6.7
|
5.2
|
25.2
|
22.9
|
28
|
7.0
|
5.4
|
26.2
|
24.0
|
29
|
7.2
|
5.6
|
27.1
|
25.0
|
孕周
|
BPD
|
FL
|
HC
|
AC
|
30
|
7.5
|
5.8
|
28.0
|
26.0
|
31
|
7.7
|
6.1
|
28.9
|
27.0
|
32
|
7.9
|
6.3
|
29.7
|
28.0
|
33
|
8.2
|
6.5
|
30.4
|
29.0
|
34
|
8.4
|
6.6
|
31.2
|
30.0
|
35
|
8.6
|
6.8
|
31.8
|
30.9
|
孕周
|
BPD
|
FL
|
HC
|
AC
|
36
|
8.8
|
7.0
|
32.5
|
31.8
|
37
|
9.0
|
7.2
|
33.1
|
32.7
|
38
|
9.1
|
7.3
|
33.6
|
33.6
|
39
|
9.3
|
7.5
|
34.1
|
34.5
|
40
|
9.5
|
7.6
|
34.5
|
35.4
|
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