Nutrient
Postpartum
Nursing
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Pregnancy
Calcium
1,000 mg/day
1,000 mg/day
1,000 mg/day
Folate
400 mcg/day
500 mcg/day
600 mcg/day
Iron
18 mg/day
9 mg/day*
27 mg/day
Protein
46 g/day
71 g/day
71 g/day
Vitamin B6
1.3 mg/day
2.0 mg/day
1.9 mg/day
Vitamin B12
2.4 mcg/day
2.8 mcg/day
2.6 mcg/day
Vitamin C
75 mg/day
120 mg/day
85 mg/day
*Until menstruation resumes, at which point needs return to 18 mg/day.
Source: National Academy of Sciences Institute of Medicine.
