
Reference Manual 66
Age (W)
Growth (cm)
Min (cm) Max (cm) Age (W)
Growth (cm)
Min (cm) Max (cm)
16 12.31 11.33 13.29 32 29.72 28.26 31.17
17 13.63 12.62 14.64 33 30.48 28.99 31.96
18 14.93 13.89 15.96 34 31.19 29.67 32.70
19 16.20 15.13 17.26 35 31.85 30.31 33.40
20 17.44 16.34 18.54 36 32.46 30.89 34.04
21 18.65 17.53 19.78 37 33.03 31.42 34.63
22 19.84 18.68 21.00 38 33.53 31.90 35.17
23 20.99 19.81 22.18 39 33.99 32.33 35.65
24 22.11 20.90 23.33 40 34.39 32.69 36.08
25 23.20 21.95 24.44 41 34.73 33.00 36.45
26 24.25 22.97 25.52 42 35.01 33.26 36.76
27 25.26 23.96 26.57
Head Circumference (HC) : CHITTY (M)
GA Table
Chitty LS, Altman DG, et al.: Charts of fetal size: 2. Head measurements. Brit. J. Obstetrics and
Gyn Vol 101, 35-43, 1994
HC (cm) GA (wd) Min (wd) Max (wd) HC (cm) GA (wd) Min (wd) Max (wd)
8.50 12w6d 12w1d 13w4d 21.00 22w6d 21w2d 24w4d
9.00 13w2d 12w4d 14w0d 21.50 23w2d 21w5d 25w0d
9.50 13w5d 12w6d 14w3d 22.00 23w5d 22w0d 25w4d
10.00 14w0d 13w2d 14w6d 22.50 24w1d 22w3d 26w0d
10.50 14w3d 13w4d 15w2d 23.00 24w4d 22w6d 26w3d
11.00 14w6d 14w0d 15w6d 23.50 25w0d 23w1d 27w0d
HC (cm) GA (wd) Min (wd) Max (wd) HC (cm) GA (wd) Min (wd) Max (wd)
11.50 15w2d 14w3d 16w2d 24.00 25w3d 23w4d 27w3d
12.00 15w5d 14w5d 16w5d 24.50 25w6d 24w0d 28w0d
12.50 16w1d 15w1d 17w1d 25.00 26w3d 24w3d 28w3d
13.00 16w3d 15w3d 17w4d 25.50 26w6d 24w6d 29w0d
13.50 16w6d 15w6d 18w0d 26.00 27w3d 25w2d 29w4d
14.00 17w2d 16w1d 18w3d 26.50 27w6d 25w5d 30w1d
14.50 17w5d 16w4d 18w6d 27.00 28w3d 26w2d 30w5d
15.00 18w1d 17w0d 19w2d 27.50 29w0d 26w5d 31w2d
15.50 18w3d 17w2d 19w5d 28.00 29w4d 27w2d 32w0d
16.00 18w6d 17w5d 20w1d 28.50 30w1d 27w5d 32w4d
16.50 19w2d 18w0d 20w4d 29.00 30w5d 28w2d 33w2d
17.00 19w5d 18w3d 21w0d 29.50 31w2d 28w6d 34w0d
17.50 20w0d 18w5d 21w3d 30.00 32w0d 29w3d 34w5d
18.00 20w3d 19w1d 21w6d 30.50 32w5d 30w0d 35w3d
18.50 20w6d 19w3d 22w2d 31.00 33w3d 30w5d 36w2d
19.00 21w2d 19w6d 22w6d 31.50 34w1d 31w2d 37w1d
19.50 21w5d 20w1d 23w2d 32.00 34w6d 32w0d 38w0d
20.00 22w0d 20w4d 23w5d 32.50 35w5d 32w5d 38w6d
20.50 22w3d 20w6d 24w1d
Komentarze do niniejszej Instrukcji