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Table 2 Average weight loss from birth (N = 109)

From: An observational study of associations among maternal fluids during parturition, neonatal output, and breastfed newborn weight loss

Average weight loss in grams from birth
Timing Sample size Mean +/- SD Range
12 hours 95 84.95 +/- 46.1 00 to 191
24 hours 97 159.74 +/- 52.5 55 to 292
36 hours 98 214.80 +/- 56.3 78 to 357
48 hours 105 236.96 +/- 72.2 56 to 407
60 hours 96 237.20 +/- 98.4* 70 to 467
72 hours 100 210.10 +/- 101.9 (20)** to 437
Average percentage weight loss from birth
Timing Sample size Mean +/- SD Range
12 hours 95 2.34 +/- 1.21 000 to 4.77
24 hours 97 4.45 +/- 1.41 1.47 to 7.66
36 hours 98 5.94 +/- 1.45 2.10 to 8.96
48 hours 105 6.55 +/- 1.82 1.64 to 10.23
60 hours 96 6.57 +/- 2.51* 1.83 to 13.06
72 hours 100 5.78 +/- 2.58 (0.53)** to 11.15
  1. * Timing of maximum weight loss
  2. ** Numbers in parentheses indicate weight gain