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Status of (A) iron and (B) zinc in lactating women (18-48 years) by province assessed through serum ferritin and zinc levels, respectively.
Reference levels – ferritin: depleted Fe stores <15 ng/mL (WHO, 2001); zinc: deficient <11.5 μmol/L, low 11.5-13 μmol/L, sufficient 13-23 μmol/L, elevated >23 μmol/L.
