Effect of Prenatal Zinc Supplementation on Birthweight
Author Information
Author(s): Gebreselassie Samson G., Gashe Fikre E.
Primary Institution: Awassa College of Agriculture, Hawassa University, Ethiopia
Hypothesis
Does prenatal zinc supplementation affect birthweight?
Conclusion
The study found no significant association between prenatal zinc supplementation and birthweight.
Supporting Evidence
- Thirteen of the 17 RCTs found no association between zinc supplementation and birthweight.
- Three studies reported a positive association, while one reported a negative association.
- The pooled effect-size estimates were 0.0268 and 0.0712, indicating no significant association.
Takeaway
Giving pregnant women zinc supplements doesn't seem to help babies weigh more at birth.
Methodology
A systematic review and meta-analysis of 17 randomized controlled trials.
Potential Biases
Potential confounding bias in observational studies may affect results.
Limitations
The analysis did not control for possible confounding factors.
Participant Demographics
Studies included pregnant women from various countries, with a total sample size of 6,209.
Statistical Information
P-Value
0.09
Confidence Interval
[95% CI 0.0764, −0.0229]
Statistical Significance
p=0.09
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