A dose of vitamin D 601 IU or higher vs 600 IU or lower alone or with other nutrients
Preterm birth · women during pregnancy
A dose of vitamin D 601 IU or higher showed no clear difference in preterm birth compared with 600 IU or lower alone or with other nutrients (low certainty).
1 finding from 1 review
- Regimens of vitamin D supplementation for women during pregnancy 2019 · Cochrane Headline outcomes onlyRR 1.25 [0.92, 1.69]4 studies · 2294 participantsLow