Findings

What do systematic reviews say?

6 questions · 6 findings · 2 reviews · Pregnancy and Childbirth

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No studies found 0 · 0%GRADE not reported 1 · 16.7%Very low 0 · 0%Low 2 · 33.3%Moderate 1 · 16.7%High 2 · 33.3%

Vitamin A vs placebo or no treatment

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

Vitamin A supplementation during pregnancy for maternal and newborn outcomes 2015 · Cochrane Headline outcomes only
RR 0.88 [0.65, 1.2]
4 studies · 154039 participants
High

Vitamin A vs placebo or no treatment

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

Vitamin A supplementation during pregnancy for maternal and newborn outcomes 2015 · Cochrane Headline outcomes only
RR 1.01 [0.95, 1.07]
1 study · 76176 participants
High

Vitamin A supplementation (200,000 to 400,000 IU) vs placebo or no treatment

Change in Infant Mortality Rate per 1000 live births1 · women in the postpartum period

Vitamin A supplementation (200,000 to 400,000 IU) showed no clear difference in infant mortality compared with placebo or no treatment (low certainty).

1 finding from 1 review

Vitamin A supplementation for postpartum women 2016 · Cochrane Headline outcomes only
RR 1.08 [0.77, 1.52]
5 studies · 6090 participants
Low

Vitamin A supplementation (200,000 to 400,000 IU) vs placebo or no treatment

Maternal death · women in the postpartum period

Vitamin A supplementation (200,000 to 400,000 IU) showed no clear difference in maternal mortality compared with placebo or no treatment (moderate certainty).

1 finding from 1 review

Vitamin A supplementation for postpartum women 2016 · Cochrane Headline outcomes only
HR 1.01 [0.44, 2.21]
1 study · 8577 participants
Moderate

Intervention not reported

Maternal mortality · Pregnant women

1 finding from 1 review

Vitamin A supplementation during pregnancy for maternal and newborn outcomes 2015 · Cochrane Headline outcomes only
no estimate extracted
0 studies · 0 participants
GRADE not reported

Intervention not reported

Perinatal mortality · Pregnant women

The intervention showed no clear difference in perinatal mortality (low certainty).

1 finding from 1 review

Vitamin A supplementation during pregnancy for maternal and newborn outcomes 2015 · Cochrane Headline outcomes only
RR 0.51 [0.1, 2.69]
1 study · 179 participants
Low