Vitamin A alone probably leads to lower maternal anaemia compared with placebo or no treatment (moderate certainty).
It is very uncertain whether summary of findings table ‐ Vitamin B12 supplementation changes maternal anaemia compared with placebo/no vitamin B12 supplementation (very low certainty).
It is very uncertain whether wheat flour or wheat flour products fortified with folic acid plus… changes anaemia compared with unfortified wheat flours or wheat flour products (not containing… (very low certainty).
Wheat flour or wheat flour products fortified with folic acid plus… showed no clear difference in anaemia compared with unfortified wheat flours or wheat flour products (not containing… (low certainty).
It is very uncertain whether any intermittent iron regimen (with or without other vitamins and… changes maternal anaemia at term (Hb less than 110 g/L at 37 weeks'… compared with daily regimen (with same vitamins and minerals)‐maternal outcomes (very low certainty).
It is very uncertain whether any intermittent iron regimen (with or without other vitamins and… changes maternal iron‐deficiency anaemia at term (Hb less than 110 g/L and… compared with daily regimen (with same vitamins and minerals)‐maternal outcomes (very low certainty).
It is very uncertain whether provision of maize flour or maize flour products fortified with iron… changes anaemia (defined as haemoglobin (Hb) below WHO cut‐off, adjusted for… compared with unfortified maize flours or maize flour products (very low certainty).
The intervention showed no clear difference in maternal anaemia (low certainty).
Rice fortified with iron alone or in combination with other… may leads to lower anaemia (defined as haemoglobin below the WHO cut‐off, adjusted for… compared with unfortified rice (no micronutrients added) (low certainty).