Length-for-age GIRLS Birth to 13 weeks (z-scores) Week
L
M
S
SD
0 1 2 3 4 5 6
1 1 1 1 1 1 1
49.1477 50.3298 51.5120 52.4695 53.3809 54.2454 55.0642
0.03790 0.03742 0.03694 0.03669 0.03647 0.03627 0.03609
7 8 9 10 11 12 13
1 1 1 1 1 1 1
55.8406 56.5767 57.2761 57.9436 58.5816 59.1922 59.7773
0.03593 0.03578 0.03564 0.03552 0.03540 0.03530 0.03520
Z-scores (length in cm) -1 SD Median
-3 SD
-2 SD
1.8627 1.8833 1.9029 1.9251 1.9468 1.9675 1.9873
43.6 44.7 45.8 46.7 47.5 48.3 49.1
45.4 46.6 47.7 48.6 49.5 50.3 51.1
47.3 48.4 49.6 50.5 51.4 52.3 53.1
2.0064 2.0243 2.0413 2.0582 2.0738 2.0895 2.1042
49.8 50.5 51.2 51.8 52.4 52.9 53.5
51.8 52.5 53.2 53.8 54.4 55.0 55.6
53.8 54.6 55.2 55.9 56.5 57.1 57.7
WHO Child Growth Standards
1 SD
2 SD
3 SD
49.1 50.3 51.5 52.5 53.4 54.2 55.1
51.0 52.2 53.4 54.4 55.3 56.2 57.1
52.9 54.1 55.3 56.3 57.3 58.2 59.0
54.7 56.0 57.2 58.2 59.2 60.1 61.0
55.8 56.6 57.3 57.9 58.6 59.2 59.8
57.8 58.6 59.3 60.0 60.7 61.3 61.9
59.9 60.6 61.4 62.1 62.7 63.4 64.0
61.9 62.6 63.4 64.1 64.8 65.5 66.1