Head circumference-for-age BOYS
Birth to 5 years (percentiles)
Year: Month
Percentiles (head circumference in cm)
15th
25th
50th
75th
85th
Month
L
M
S
SD
1st
3rd
5th
0
1
2
3
4
5
6
0
1
2
3
4
5
6
1
1
1
1
1
1
1
34.4618
37.2759
39.1285
40.5135
41.6317
42.5576
43.3306
0.03686
0.03133
0.02997
0.02918
0.02868
0.02837
0.02817
1.2703
1.1679
1.1727
1.1822
1.1940
1.2074
1.2206
31.5
34.6
36.4
37.8
38.9
39.7
40.5
32.1
35.1
36.9
38.3
39.4
40.3
41.0
32.4
35.4
37.2
38.6
39.7
40.6
41.3
33.1
36.1
37.9
39.3
40.4
41.3
42.1
33.6
36.5
38.3
39.7
40.8
41.7
42.5
34.5
37.3
39.1
40.5
41.6
42.6
43.3
35.3
38.1
39.9
41.3
42.4
43.4
44.2
0: 7
0: 8
0: 9
0:10
0:11
1: 0
7
8
9
10
11
12
1
1
1
1
1
1
43.9803
44.5300
44.9998
45.4051
45.7573
46.0661
0.02804
0.02796
0.02792
0.02790
0.02789
0.02789
1.2332
1.2451
1.2564
1.2668
1.2762
1.2848
41.1
41.6
42.1
42.5
42.8
43.1
41.7
42.2
42.6
43.0
43.4
43.6
42.0
42.5
42.9
43.3
43.7
44.0
42.7
43.2
43.7
44.1
44.4
44.7
43.1
43.7
44.2
44.6
44.9
45.2
44.0
44.5
45.0
45.4
45.8
46.1
1:
1:
1:
1:
1:
1:
1
2
3
4
5
6
13
14
15
16
17
18
1
1
1
1
1
1
46.3395
46.5844
46.8060
47.0088
47.1962
47.3711
0.02789
0.02791
0.02792
0.02795
0.02797
0.02800
1.2924
1.3002
1.3068
1.3139
1.3201
1.3264
43.3
43.6
43.8
44.0
44.1
44.3
43.9
44.1
44.3
44.5
44.7
44.9
44.2
44.4
44.7
44.8
45.0
45.2
45.0
45.2
45.5
45.6
45.8
46.0
45.5
45.7
45.9
46.1
46.3
46.5
1: 7
1: 8
1: 9
1:10
1:11
2: 0
19
20
21
22
23
24
1
1
1
1
1
1
47.5357
47.6919
47.8408
47.9833
48.1201
48.2515
0.02803
0.02806
0.02810
0.02813
0.02817
0.02821
1.3324
1.3382
1.3443
1.3498
1.3555
1.3612
44.4
44.6
44.7
44.8
45.0
45.1
45.0
45.2
45.3
45.4
45.6
45.7
45.3
45.5
45.6
45.8
45.9
46.0
46.2
46.3
46.4
46.6
46.7
46.8
46.6
46.8
46.9
47.1
47.2
47.3
0:
0:
0:
0:
0:
0:
0:
WHO Child Growth Standards
95th
97th
99th
35.8
38.5
40.3
41.7
42.9
43.8
44.6
36.6
39.2
41.1
42.5
43.6
44.5
45.3
36.9
39.5
41.3
42.7
43.9
44.8
45.6
37.4
40.0
41.9
43.3
44.4
45.4
46.2
44.8
45.4
45.8
46.3
46.6
46.9
45.3
45.8
46.3
46.7
47.1
47.4
46.0
46.6
47.1
47.5
47.9
48.2
46.3
46.9
47.4
47.8
48.2
48.5
46.8
47.4
47.9
48.4
48.7
49.1
46.3
46.6
46.8
47.0
47.2
47.4
47.2
47.5
47.7
47.9
48.1
48.3
47.7
47.9
48.2
48.4
48.6
48.7
48.5
48.7
49.0
49.2
49.4
49.6
48.8
49.0
49.3
49.5
49.7
49.9
49.3
49.6
49.8
50.1
50.3
50.5
47.5
47.7
47.8
48.0
48.1
48.3
48.4
48.6
48.7
48.9
49.0
49.2
48.9
49.1
49.2
49.4
49.5
49.7
49.7
49.9
50.1
50.2
50.3
50.5
50.0
50.2
50.4
50.5
50.7
50.8
50.6
50.8
51.0
51.1
51.3
51.4
Head circumference-for-age BOYS
Birth to 5 years (percentiles)
Year: Month
Percentiles (head circumference in cm)
15th
25th
50th
75th
85th
Month
L
M
S
SD
1st
3rd
5th
1
2
3
4
5
6
25
26
27
28
29
30
1
1
1
1
1
1
48.3777
48.4989
48.6151
48.7264
48.8331
48.9351
0.02825
0.02830
0.02834
0.02838
0.02842
0.02847
1.3667
1.3725
1.3778
1.3829
1.3878
1.3932
45.2
45.3
45.4
45.5
45.6
45.7
45.8
45.9
46.0
46.1
46.2
46.3
46.1
46.2
46.3
46.5
46.6
46.6
47.0
47.1
47.2
47.3
47.4
47.5
47.5
47.6
47.7
47.8
47.9
48.0
48.4
48.5
48.6
48.7
48.8
48.9
49.3
49.4
49.5
49.7
49.8
49.9
2: 7
2: 8
2: 9
2:10
2:11
3: 0
31
32
33
34
35
36
1
1
1
1
1
1
49.0327
49.1260
49.2153
49.3007
49.3826
49.4612
0.02851
0.02855
0.02859
0.02863
0.02867
0.02871
1.3979
1.4026
1.4071
1.4115
1.4158
1.4200
45.8
45.9
45.9
46.0
46.1
46.2
46.4
46.5
46.6
46.6
46.7
46.8
46.7
46.8
46.9
47.0
47.1
47.1
47.6
47.7
47.8
47.8
47.9
48.0
48.1
48.2
48.3
48.3
48.4
48.5
49.0
49.1
49.2
49.3
49.4
49.5
3:
3:
3:
3:
3:
3:
1
2
3
4
5
6
37
38
39
40
41
42
1
1
1
1
1
1
49.5367
49.6093
49.6791
49.7465
49.8116
49.8745
0.02875
0.02878
0.02882
0.02886
0.02889
0.02893
1.4242
1.4278
1.4318
1.4357
1.4391
1.4429
46.2
46.3
46.3
46.4
46.5
46.5
46.9
46.9
47.0
47.0
47.1
47.2
47.2
47.3
47.3
47.4
47.4
47.5
48.1
48.1
48.2
48.3
48.3
48.4
48.6
48.6
48.7
48.8
48.8
48.9
3: 7
3: 8
3: 9
3:10
3:11
4: 0
43
44
45
46
47
48
1
1
1
1
1
1
49.9354
49.9942
50.0512
50.1064
50.1598
50.2115
0.02896
0.02899
0.02903
0.02906
0.02909
0.02912
1.4461
1.4493
1.4530
1.4561
1.4592
1.4622
46.6
46.6
46.7
46.7
46.8
46.8
47.2
47.3
47.3
47.4
47.4
47.5
47.6
47.6
47.7
47.7
47.8
47.8
48.4
48.5
48.5
48.6
48.6
48.7
49.0
49.0
49.1
49.1
49.2
49.2
2:
2:
2:
2:
2:
2:
WHO Child Growth Standards
95th
97th
99th
49.8
49.9
50.0
50.2
50.3
50.4
50.6
50.8
50.9
51.0
51.1
51.2
50.9
51.1
51.2
51.3
51.4
51.6
51.6
51.7
51.8
51.9
52.1
52.2
50.0
50.1
50.2
50.3
50.3
50.4
50.5
50.6
50.7
50.8
50.8
50.9
51.3
51.4
51.5
51.6
51.7
51.8
51.7
51.8
51.9
52.0
52.0
52.1
52.3
52.4
52.5
52.6
52.7
52.8
49.5
49.6
49.7
49.7
49.8
49.9
50.5
50.6
50.6
50.7
50.8
50.8
51.0
51.1
51.2
51.2
51.3
51.4
51.9
52.0
52.0
52.1
52.2
52.2
52.2
52.3
52.4
52.4
52.5
52.6
52.8
52.9
53.0
53.1
53.2
53.2
49.9
50.0
50.1
50.1
50.2
50.2
50.9
51.0
51.0
51.1
51.1
51.2
51.4
51.5
51.6
51.6
51.7
51.7
52.3
52.4
52.4
52.5
52.6
52.6
52.7
52.7
52.8
52.8
52.9
53.0
53.3
53.4
53.4
53.5
53.6
53.6
Head circumference-for-age BOYS
Birth to 5 years (percentiles)
Year: Month
Percentiles (head circumference in cm)
15th
25th
50th
75th
85th
Month
L
M
S
SD
1st
3rd
5th
1
2
3
4
5
6
49
50
51
52
53
54
1
1
1
1
1
1
50.2617
50.3105
50.3578
50.4039
50.4488
50.4926
0.02915
0.02918
0.02921
0.02924
0.02927
0.02929
1.4651
1.4681
1.4710
1.4738
1.4766
1.4789
46.9
46.9
46.9
47.0
47.0
47.1
47.5
47.5
47.6
47.6
47.7
47.7
47.9
47.9
47.9
48.0
48.0
48.1
48.7
48.8
48.8
48.9
48.9
49.0
49.3
49.3
49.4
49.4
49.5
49.5
50.3
50.3
50.4
50.4
50.4
50.5
51.2
51.3
51.3
51.4
51.4
51.5
4: 7
4: 8
4: 9
4:10
4:11
5: 0
55
56
57
58
59
60
1
1
1
1
1
1
50.5354
50.5772
50.6183
50.6587
50.6984
50.7375
0.02932
0.02935
0.02938
0.02940
0.02943
0.02946
1.4817
1.4844
1.4872
1.4894
1.4921
1.4947
47.1
47.1
47.2
47.2
47.2
47.3
47.7
47.8
47.8
47.9
47.9
47.9
48.1
48.1
48.2
48.2
48.2
48.3
49.0
49.0
49.1
49.1
49.2
49.2
49.5
49.6
49.6
49.7
49.7
49.7
50.5
50.6
50.6
50.7
50.7
50.7
51.5
51.6
51.6
51.7
51.7
51.7
4:
4:
4:
4:
4:
4:
WHO Child Growth Standards
95th
97th
99th
51.8
51.8
51.9
51.9
52.0
52.0
52.7
52.7
52.8
52.8
52.9
52.9
53.0
53.1
53.1
53.2
53.2
53.3
53.7
53.7
53.8
53.8
53.9
53.9
52.1
52.1
52.2
52.2
52.2
52.3
53.0
53.0
53.1
53.1
53.2
53.2
53.3
53.4
53.4
53.5
53.5
53.5
54.0
54.0
54.1
54.1
54.2
54.2