Congenital cardiovascular anomalies (All) · all women who become pregnant or were 12 or less weeks' pregnant at the time of the intervention
Supplementation with folate showed no clear difference in congenital cardiovascular anomalies (All) compared with no intervention, placebo or other micronutrients without folate… (low certainty).
1 finding from 1 review
Other congenital anomalies (All) · all women who become pregnant or were 12 or less weeks' pregnant at the time of the intervention
Supplementation with folate showed no clear difference in other congenital anomalies (All) compared with no intervention, placebo or other micronutrients without folate… (low certainty).
1 finding from 1 review
Neonatal mortality · all women who become pregnant or were 12 or less weeks' pregnant at the time of the intervention
1 finding from 1 review
Maternal anaemia at or near term (All) · all women who become pregnant or were 12 or less weeks' pregnant at the time of the intervention
1 finding from 1 review
Maternal red blood cell folate at or near term (All) · all women who become pregnant or were 12 or less weeks' pregnant at the time of the intervention
1 finding from 1 review
Serum folate at or near term · all women who become pregnant or were 12 or less weeks' pregnant at the time of the intervention
1 finding from 1 review
Maternal death · pregnant women
Vitamin A alone showed no clear difference in maternal mortality compared with placebo or no treatment (high certainty).
1 finding from 1 review
Perinatal mortality · pregnant women
Vitamin A alone showed no clear difference in perinatal mortality compared with placebo or no treatment (high certainty).
1 finding from 1 review
Maternal anaemia · pregnant women
Vitamin A alone probably leads to lower maternal anaemia compared with placebo or no treatment (moderate certainty).
1 finding from 1 review
Maternal infection · pregnant women
Vitamin A alone may leads to lower maternal clinical infection compared with placebo or no treatment (low certainty).
1 finding from 1 review
Preterm birth · pregnant women
Vitamin A alone showed no clear difference in preterm birth compared with placebo or no treatment (high certainty).
1 finding from 1 review
Maternal mortality ‐ not reported · women with postpartum iron deficiency anaemia
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Fatigue ‐ not reported · women with postpartum iron deficiency anaemia
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Persistent anaemia symptoms Reported by the women · women with postpartum iron deficiency anaemia
1 finding from 1 review
no estimate extracted
1 study · 1 participants
GRADE not reported
All gastrointestinal symptoms Reported by the patients · women with postpartum iron deficiency anaemia
It is very uncertain whether oral iron changes all gastrointestinal symptoms Reported by the patients compared with placebo (Comparison 3) (very low certainty).
1 finding from 1 review
Constipation ‐ not reported · women with postpartum iron deficiency anaemia
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Complet relief of heartburn · pregnant women with heartburn in pregnancy
Any pharmaceutical treatment probably leads to higher complet relief of heartburn compared with placebo or no treatment (moderate certainty).
1 finding from 1 review
Partial relief of heartburn · pregnant women with heartburn in pregnancy
It is very uncertain whether any pharmaceutical treatment changes partial relief of heartburn compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Side effects · pregnant women with heartburn in pregnancy
It is very uncertain whether any pharmaceutical treatment changes side effects compared with placebo or no treatment (very low certainty).
1 finding from 1 review
Quality of life · pregnant women with heartburn in pregnancy
1 finding from 1 review