Vitamin D + calcium + other vitamins and minerals vs calcium + other vitamins and minerals (but no vitamin D)
Preterm birth · pregnant women and their infants..
Vitamin D + calcium + other vitamins and minerals showed no clear difference in preterm birth (less than 37 weeks' gestation) compared with calcium + other vitamins and minerals (but no vitamin D) (low certainty).
1 finding from 1 review
- RR 1.04 [0.68, 1.59]1 study · 1298 participantsLow