Table 1 Expected value, lower and upper bounds of a 95 % confidence interval on Basso SFH-chart [16]* between 13 and 42 weeks of pregnancy complicated by diabetes and hyperglycemia

From: Validation of a symphysis-fundal height chart developed for pregnancy complicated by diabetes and hyperglycemia: an observational study

FH = 1.082 + 0.966*week
FH (lower bound) = 0.629 + 0.95*week
FH (upper bound) = 1.535 + 0.981*week
   Confidence interval 95 %
Week Expected FH Lower bound Upper bound
13 13.64 12.98 14.29
14 14.61 13.93 15.27
15 15.57 14.88 16.25
16 16.54 15.83 17.23
17 17.50 16.78 18.21
18 18.47 17.73 19.19
19 19.44 18.68 20.17
20 20.40 19.63 21.16
21 21.37 20.58 22.14
22 22.33 21.53 23.12
23 23.30 22.48 24.10
24 24.27 23.43 25.08
25 25.23 24.38 26.06
26 26.20 25.33 27.04
27 27.16 26.28 28.02
28 28.13 27.23 29.00
29 29.10 28.18 29.98
30 30.06 29.13 30.97
31 31.03 30.08 31.95
32 31.99 31.03 32.93
33 32.96 31.98 33.91
34 33.93 32.93 34.89
35 34.89 33.88 35.87
36 35.86 34.83 36.85
37 36.82 35.78 37.83
38 37.79 36.73 38.81
39 38.76 37.68 39.79
40 39.72 38.63 40.78
41 40.69 39.58 41.76
42 41.65 40.53 42.74