New Meta-Analysis Questions Routine Vitamin D Supplementation During Pregnancy to Prevent Preterm Birth
A comprehensive systematic review and meta-analysis published in the journal BIO Integration has found that routine vitamin D supplementation during pregnancy does not provide convincing evidence for preventing preterm birth. The analysis also highlighted that an apparent increase in preterm birth risk observed in one subgroup should be interpreted with caution because it was driven by a single clinical trial involving women living with HIV, rather than the broader pregnant population.











