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).
Any intermittent iron regimen (with or without other vitamins and… led to lower maternal death (death while pregnant or within 42 days of… compared with daily regimen (with same vitamins and minerals)‐maternal outcomes; GRADE not reported.
It is very uncertain whether neonatal vitamin A supplementation changes all‐cause infant mortality at 6 months: risk ratios based on… compared with control (very low certainty).
Neonatal vitamin A supplementation showed no clear difference in all‐cause infant mortality at 6 months: risk ratios based on… compared with control (high certainty).
Neonatal vitamin A supplementation showed no clear difference in all‐cause neonatal mortality: risk ratios based on cumulative risk… compared with control (high certainty).
Neonatal vitamin A supplementation leads to higher adverse events during first 48‐72 hours post supplementation ‐… compared with control (high certainty).
Neonatal vitamin A supplementation showed no clear difference in adverse events during first 48‐72 hours post supplementation ‐… compared with control (high certainty).
Neonatal vitamin A supplementation showed no clear difference in adverse events during first 48‐72 hours post supplementation ‐… compared with control (low certainty).
The review found no eligible studies for this question.
The review found no eligible studies for this question.
Vitamin D + calcium supplementation may leads to higher preterm birth (less than 37 weeks' gestation) compared with placebo or no intervention (low certainty).
It is very uncertain whether vitamin D + calcium supplementation changes low birthweight (less than 2500 g) compared with placebo or no intervention (very low certainty).
Vitamin D + calcium supplementation probably leads to lower pre‐eclampsia compared with placebo or no intervention (moderate certainty).
It is very uncertain whether vitamin D + calcium supplementation changes gestational diabetes compared with placebo or no intervention (very low certainty).
It is very uncertain whether wheat flour or wheat flour products fortified with folic acid plus… changes spina bifida compared with unfortified wheat flours or wheat flour products (not containing… (very low certainty).
It is very uncertain whether wheat flour or wheat flour products fortified with folic acid plus… changes encephalocoele compared with unfortified wheat flours or wheat flour products (not containing… (very low certainty).
It is very uncertain whether wheat flour or wheat flour products fortified with folic acid plus… changes fatal anencephaly compared with unfortified wheat flours or wheat flour products (not containing… (very low certainty).