LOSS

Basal losses

Gastro/intestinal tract

• Desquamated epithelial cells (0,10 mg/d)
• Gall (0,20 mg/d)
• Bleedings (0,35 mg/d))

Urine (0,08 mg/d)

Skin (0,20 mg/d)

Basal losses in men: (ca. 1 mg/day)
Basal losses in women: (0,8 mg/day)

Menstrual losses

Figure A: Distribution of blood loss in menstruation B: Cumulative frequency distribution of total iron losses among fertile women [Ref 16]

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Requirements for growth [Ref 1]