Hypercalcaemia · term breastfed infants to prevent vitamin D deficiency and improve bone health
Vitamin D given to infants showed no clear difference in adverse effects (hypercalcaemia) compared with placebo or no treatment (low certainty).
1 finding from 1 review
Vitamin B1 vs placebo
1 finding from 1 review
no estimate extracted
1 participants
GRADE not reported
Stillbirth · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in stillbirth compared with placebo, no placebo or other supplements (moderate certainty).
1 finding from 1 review
Preterm birth · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in preterm birth (less than 37 weeks' gestation) compared with placebo, no placebo or other supplements (high certainty).
1 finding from 1 review
Pre‐eclampsia · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in clinical pre‐eclampsia (random‐effects model) compared with placebo, no placebo or other supplements (moderate certainty).
1 finding from 1 review
Intrauterine growth restriction · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in intrauterine growth restriction (various definitions) compared with placebo, no placebo or other supplements (high certainty).
1 finding from 1 review
Preterm prelabour rupture of membranes · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation showed no clear difference in prelabour rupture of fetal membranes ‐ preterm compared with placebo, no placebo or other supplements (low certainty).
1 finding from 1 review
Bleeding episodes (placental abruption) · pregnant women receiving vitamin E supplementation or control, living in areas where there is either inadequate dietary intake of vitamin…
Any vitamin E supplementation leads to lower bleeding episodes (placental abruption) compared with placebo, no placebo or other supplements (high certainty).
1 finding from 1 review
Any AMD · general population
Multivitamin probably leads to higher any AMD compared with placebo (moderate certainty).
1 finding from 1 review
Late AMD · general population
Multivitamin showed no clear difference in late AMD compared with placebo (moderate certainty).
1 finding from 1 review
Neovascular AMD · general population
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Geographic atrophy · general population
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Quality of life · general population
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse effects · general population
1 finding from 1 review
no estimate extracted
Studies not reported
Moderate
Resource use and costs · general population
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Dental caries · Children aged 2 to 8 years
The review reported a lower odds ratio at maternal prenatal vitamin D ≤50 nmol/L than at ≤35 nmol/L, without a numeric value in the available sources.
1 finding from 1 review
Dental caries · Children aged 2 to 8 years
The review reported a slightly higher odds ratio at maternal prenatal vitamin D ≤35 nmol/L than at ≤50 nmol/L, without a numeric value in the available sources.
1 finding from 1 review
Dental caries prevalence · Children aged 2 to 8 years
The review reported 44% dental caries prevalence among children of mothers with low prenatal vitamin D.
2 findings from 1 review
Dental caries · Children aged 2 to 8 years
The review reported an OR of 1.32 when prenatal vitamin D was measured at 6 to 38 gestational weeks.
2 findings from 1 review
Nutritional rickets ‐ radiological · term breastfed infants to prevent vitamin D deficiency and improve bone health
It is very uncertain whether vitamin D given to lactating mothers changes nutritional rickets ‐ radiological compared with placebo or no treatment (very low certainty).
1 finding from 1 review