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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