Miscarriage and spontaneous abortion · pregnant women
1 finding from 1 review
Low birthweight · pregnant women
Summary of findings table ‐ Vitamin B12 supplementation showed no clear difference in low birthweight (< 2500 g) compared with placebo/no vitamin B12 supplementation (low certainty).
1 finding from 1 review
Preterm birth · pregnant women
Summary of findings table ‐ Vitamin B12 supplementation showed no clear difference in preterm birth (< 37 weeks) compared with placebo/no vitamin B12 supplementation (low certainty).
1 finding from 1 review
Child cognitive outcomes · pregnant women
1 finding from 1 review
Neural tube defects ‐ not reported · pregnant women
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Adverse events: preterm delivery · women undergoing assisted reproduction
Intrauterine infusion/injection of autologous platelet‐rich plasma may leads to higher adverse events: preterm delivery compared with no intervention or placebo (low certainty).
1 finding from 1 review
Live birth or ongoing pregnancy · women undergoing assisted reproduction
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes live birth (or ongoing pregnancy) compared with no intervention or placebo (very low certainty).
1 finding from 1 review
Miscarriage · women undergoing assisted reproduction
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes miscarriage compared with no intervention or placebo (very low certainty).
1 finding from 1 review
Clinical pregnancy · women undergoing assisted reproduction
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes clinical pregnancy compared with no intervention or placebo (very low certainty).
1 finding from 1 review
Adverse event ‐ multiple pregnancy · women undergoing assisted reproduction
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes adverse events: multiple pregnancy compared with no intervention or placebo (very low certainty).
1 finding from 1 review
Adverse events: ectopic pregnancy · women undergoing assisted reproduction
It is very uncertain whether intrauterine infusion/injection of autologous platelet‐rich plasma changes adverse events: ectopic pregnancy compared with no intervention or placebo (very low certainty).
1 finding from 1 review
Cases of cholera ( · healthy children and adults; high risk population
1 finding from 1 review
Cases of cholera ( · healthy children and adults; high risk population
3 findings from 1 review
no estimate extracted
1 study · 54519 participants
High
no estimate extracted
2 studies · 168540 participants
Moderate
no estimate extracted
2 studies · 241631 participants
High
Cases of cholera ( · healthy children and adults, male and female; high risk population
2 findings from 1 review
Cases of severe dehydrating cholera ( · healthy children and adults, male and female; high risk population
2 findings from 1 review
Proportion of participants developing a cold Duration of · adults and children without colds
1 finding from 1 review
Proportion with improved global symptom severity Duration of · adults and children with colds and/or upper respiratory infections
1 finding from 1 review
Risk of adverse events, including those that may be due to zinc supplements Duration of · adults and children with colds and/or upper respiratory infections
1 finding from 1 review
Risk of serious adverse events, including those that may be complications of the common cold · adults and children with colds and/or upper respiratory infections
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Mean number of colds developed Duration of · adults and children without colds
1 finding from 1 review