| Nutrient Output | |||||
|---|---|---|---|---|---|
| Source of Demand | Protein, g (% of total body contenta) | Calcium, g (% of total body contenta) | Iron, mg (% of storesa) | Vitamin A, mg (% of storesa) | Folate, mg (% of storesa) |
| Estimated body contentb,c | 11,250 | 1,035 | 300 | 209 | 6–7 |
| Partial breastfeeding for 6 mo | 756 (10) | 20 (2) | 22 (7) | 48 (23) | 6 (˜100) |
| Exclusive breastfeeding for 6 mo | 1,512 (19) | 40 (4) | 43 (14) | 96 (46) | 12 (˜100) |
| Exclusive breastfeeding for 6 mo, plus partial breastfeeding for 6 mo | 2,268 (29) | 60 (6) | 65 (22) | 144 (69) | 18 (>100) |
| Exclusive breastfeeding for 6 mo, plus partial breastfeeding for 12 mo | 3,024 (38) | 80 (8) | 87 (29) | 192 (92) | 24 (>100) |
Based on average milk composition values from Table 6-1 and a volume of 800 ml/day for exclusive breastfeeding and 400 ml/day for partial breastfeeding, assuming that none of the demand is met by the maternal diet.
For a 60-kg (132-lb) woman, based on values provided by the NRC (1989).
Percentage of total body content or stores not applicable.
From: 9, Meeting Maternal Nutrient Needs During Lactation
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