Simplified field tables Weight-for-age BOYS Birth to years (z-scores) Year: Month Months -3 SD -2 SD -1 SD Median SD SD SD 0: 0 2.1 2.5 2.9 3.3 3.9 4.4 5.0 0: 1 2.9 3.4 3.9 4.5 5.1 5.8 6.6 0: 2 3.8 4.3 4.9 5.6 6.3 7.1 8.0 0: 3 4.4 5.0 5.7 6.4 7.2 8.0 9.0 0: 4 4.9 5.6 6.2 7.0 7.8 8.7 9.7 0: 5 5.3 6.0 6.7 7.5 8.4 9.3 10.4 0: 6 5.7 6.4 7.1 7.9 8.8 9.8 10.9 0: 7 5.9 6.7 7.4 8.3 9.2 10.3 11.4 0: 8 6.2 6.9 7.7 8.6 9.6 10.7 11.9 0: 9 6.4 7.1 8.0 8.9 9.9 11.0 12.3 0:10 10 6.6 7.4 8.2 9.2 10.2 11.4 12.7 0:11 11 6.8 7.6 8.4 9.4 10.5 11.7 13.0 1: 12 6.9 7.7 8.6 9.6 10.8 12.0 13.3 1: 13 7.1 7.9 8.8 9.9 11.0 12.3 13.7 1: 14 7.2 8.1 9.0 10.1 11.3 12.6 14.0 1: 15 7.4 8.3 9.2 10.3 11.5 12.8 14.3 1: 16 7.5 8.4 9.4 10.5 11.7 13.1 14.6 1: 17 7.7 8.6 9.6 10.7 12.0 13.4 14.9 1: 18 7.8 8.8 9.8 10.9 12.2 13.7 15.3 1: 19 8.0 8.9 10.0 11.1 12.5 13.9 15.6 1: 20 8.1 9.1 10.1 11.3 12.7 14.2 15.9 1: 21 8.2 9.2 10.3 11.5 12.9 14.5 16.2 1:10 22 8.4 9.4 10.5 11.8 13.2 14.7 16.5 1:11 23 8.5 9.5 10.7 12.0 13.4 15.0 16.8 2: 24 8.6 9.7 10.8 12.2 13.6 15.3 17.1 2: 25 8.8 9.8 11.0 12.4 13.9 15.5 17.5 2: 26 8.9 10.0 11.2 12.5 14.1 15.8 17.8 2: 27 9.0 10.1 11.3 12.7 14.3 16.1 18.1 2: 28 9.1 10.2 11.5 12.9 14.5 16.3 18.4 2: 29 9.2 10.4 11.7 13.1 14.8 16.6 18.7 Weight-for-age BOYS Birth to years (z-scores) Year: Month Months -3 SD -2 SD -1 SD Median SD SD SD 2: 30 9.4 10.5 11.8 13.3 15.0 16.9 19.0 2: 31 9.5 10.7 12.0 13.5 15.2 17.1 19.3 2: 32 9.6 10.8 12.1 13.7 15.4 17.4 19.6 2: 33 9.7 10.9 12.3 13.8 15.6 17.6 19.9 2:10 34 9.8 11.0 12.4 14.0 15.8 17.8 20.2 2:11 35 9.9 11.2 12.6 14.2 16.0 18.1 20.4 3: 36 10.0 11.3 12.7 14.3 16.2 18.3 20.7 3: 37 10.1 11.4 12.9 14.5 16.4 18.6 21.0 3: 38 10.2 11.5 13.0 14.7 16.6 18.8 21.3 3: 39 10.3 11.6 13.1 14.8 16.8 19.0 21.6 3: 40 10.4 11.8 13.3 15.0 17.0 19.3 21.9 3: 41 10.5 11.9 13.4 15.2 17.2 19.5 22.1 3: 42 10.6 12.0 13.6 15.3 17.4 19.7 22.4 3: 43 10.7 12.1 13.7 15.5 17.6 20.0 22.7 3: 44 10.8 12.2 13.8 15.7 17.8 20.2 23.0 3: 45 10.9 12.4 14.0 15.8 18.0 20.5 23.3 3:10 46 11.0 12.5 14.1 16.0 18.2 20.7 23.6 3:11 47 11.1 12.6 14.3 16.2 18.4 20.9 23.9 4: 48 11.2 12.7 14.4 16.3 18.6 21.2 24.2 4: 49 11.3 12.8 14.5 16.5 18.8 21.4 24.5 4: 50 11.4 12.9 14.7 16.7 19.0 21.7 24.8 4: 51 11.5 13.1 14.8 16.8 19.2 21.9 25.1 4: 52 11.6 13.2 15.0 17.0 19.4 22.2 25.4 4: 53 11.7 13.3 15.1 17.2 19.6 22.4 25.7 4: 54 11.8 13.4 15.2 17.3 19.8 22.7 26.0 4: 55 11.9 13.5 15.4 17.5 20.0 22.9 26.3 4: 56 12.0 13.6 15.5 17.7 20.2 23.2 26.6 4: 57 12.1 13.7 15.6 17.8 20.4 23.4 26.9 4:10 58 12.2 13.8 15.8 18.0 20.6 23.7 27.2 4:11 59 12.3 14.0 15.9 18.2 20.8 23.9 27.6 5: 60 12.4 14.1 16.0 18.3 21.0 24.2 27.9 WHO Child Growth Standards ... 11.8 13.4 15. 2 17.3 19.8 22.7 26 .0 4: 55 11.9 13 .5 15. 4 17 .5 20. 0 22.9 26.3 4: 56 12 .0 13.6 15. 5 17.7 20. 2 23.2 26.6 4: 57 12.1 13.7 15. 6 17.8 20. 4 23.4 26.9 4: 10 58 12.2 13.8 15. 8 18 .0 20. 6 23.7... 16.8 19 .0 21.6 3: 40 10. 4 11.8 13.3 15 .0 17 .0 19.3 21.9 3: 41 10. 5 11.9 13.4 15. 2 17.2 19 .5 22.1 3: 42 10. 6 12 .0 13.6 15. 3 17.4 19.7 22.4 3: 43 10. 7 12.1 13.7 15. 5 17.6 20. 0 22.7 3: 44 10. 8 12.2... 2: 30 9.4 10. 5 11.8 13.3 15 .0 16.9 19 .0 2: 31 9 .5 10. 7 12 .0 13 .5 15. 2 17.1 19.3 2: 32 9.6 10. 8 12.1 13.7 15. 4 17.4 19.6 2: 33 9.7 10. 9 12.3 13.8 15. 6 17.6 19.9 2: 10 34 9.8 11 .0 12.4 14 .0 15. 8