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Table 4 Smoothed values of mean and standard deviation (SD) for length, weight and head circumference from birth to 2 years of age. Note: GA = 24 corresponds to 24 weeks+0 days etc as in the graphs.

From: Continuous growth reference from 24thweek of gestation to 24 months by gender

 

Length (cm)

Log10 [weight(kg)]

Head circumference (cm)

 

Boys

Girls

Boys

Girls

Boys

Girls

Age

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Mean

SD

Gestational age (weeks)

24

31.9

1.3

32.1

1.2

-0.165

0.064

-0.178

0.069

22.4

1.5

22.7

1.5

25

33.7

1.3

33.8

1.2

-0.092

0.063

-0.105

0.067

23.6

1.5

23.7

1.5

26

35.4

1.3

35.3

1.3

-0.023

0.062

-0.036

0.066

24.7

1.5

24.8

1.5

27

37.0

1.3

36.8

1.3

0.041

0.061

0.027

0.065

25.8

1.5

25.8

1.5

28

38.5

1.4

38.2

1.3

0.100

0.061

0.086

0.064

26.8

1.5

26.7

1.4

29

39.9

1.4

39.6

1.3

0.156

0.060

0.141

0.063

27.8

1.4

27.6

1.4

30

41.2

1.4

40.8

1.3

0.207

0.059

0.193

0.062

28.7

1.4

28.5

1.4

31

42.5

1.4

42.0

1.4

0.256

0.058

0.241

0.061

29.6

1.4

29.3

1.4

32

43.7

1.4

43.2

1.4

0.301

0.058

0.285

0.060

30.4

1.4

30.0

1.4

33

44.8

1.4

44.3

1.4

0.343

0.057

0.327

0.059

31.2

1.4

30.8

1.4

34

45.9

1.5

45.3

1.4

0.382

0.056

0.366

0.058

32.0

1.4

31.5

1.4

35

47.0

1.5

46.3

1.4

0.419

0.056

0.402

0.057

32.7

1.4

32.1

1.3

36

48.0

1.5

47.3

1.5

0.453

0.055

0.436

0.057

33.4

1.4

32.8

1.3

37

48.9

1.5

48.2

1.5

0.485

0.055

0.468

0.056

34.0

1.4

33.4

1.3

38

49.8

1.5

49.1

1.5

0.515

0.054

0.498

0.055

34.7

1.3

34.0

1.3

39

50.7

1.6

50.0

1.5

0.544

0.053

0.525

0.054

35.2

1.3

34.5

1.3

40

51.6

1.6

50.8

1.5

0.570

0.053

0.551

0.054

35.8

1.3

35.0

1.3

Age (months)

3

61.3

1.8

60.0

1.8

0.798

0.048

0.775

0.048

41.1

1.2

40.1

1.2

6

68.1

2.0

66.6

2.0

0.909

0.044

0.884

0.045

44.1

1.2

43.0

1.1

9

72.5

2.2

71.0

2.2

0.974

0.042

0.947

0.044

46.0

1.1

44.8

1.1

12

76.1

2.4

74.7

2.4

1.018

0.041

0.991

0.043

47.2

1.3

46.0

1.3

15

79.6

2.6

78.2

2.6

1.053

0.041

1.026

0.043

48.1

1.4

46.9

1.3

18

82.8

2.8

81.5

2.8

1.081

0.041

1.056

0.043

48.9

1.3

47.6

1.4

21

85.7

2.9

84.5

3.0

1.106

0.042

1.082

0.043

49.5

1.3

48.2

1.3

24

88.3

3.1

87.2

3.1

1.128

0.043

1.105

0.042

50.0

1.3

48.7

1.3