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Gestational age at birth (weeks)
43
42
41
40
39
44
45
46
47
48
49
Len
gth
(cm
)
30
27
28
29
31
32
33
34
35
Hea
d c
ircu
mfe
ren
ce (
cm)
5.25
4.75
4.25
4.00
3.75
3.50
3.25
3.00
2.75
5.00
4.50
Bir
thw
eig
ht
(kg
)
50
49
48
47
46
45
44
43
51
53
54
55
56
52
Len
gth
(cm
)
35
30
27
28
29
31
32
33
34
36
37
38
39
Hea
d c
ircu
mfe
ren
ce (
cm)
Ref: Villar J et al. Lancet 2014; 384: 857-868 © University of Oxford
33 34 35 36 37 38 39 40 41 42 43
33 34 35 36 37 38 39 40 41 42 43
Bir
thw
eig
ht
(kg
)
1.00
1.25
1.50
5.25
4.75
4.25
4.00
3.75
3.50
3.25
3.00
2.75
2.50
2.25
2.00
1.75
5.00
4.50
INTERGROWTH-21st
International Standards for Size at Birth (Boys)
3rd
97th
90th
10th
50th
3rd
97th
90th
10th
50th
3rd
97th
90th
10th
50th
