Cochrane · systematic review · CD007079
Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Buppasiri, P, Lumbiganon, P, Thinkhamrop, J, et al. · Cochrane Database of Systematic Reviews · 2015 · Cochrane Library
Pregnancy and ChildbirthAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
3
current version
GRADE rated
3
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 3 · 100%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
Calcium supplementation versus placebo or no treatment (maternal outcomes) for preventing or treating hypertension) for improving pregnancy and infant outcomes
Population: healthy pregnant women receiving calcium supplementation vs placebo or no treatment
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Preterm birth (a) Birth prior to 37 weeks Calcium supplementation vs placebo or no treatment (maternal outcomes) | RR 0.86 [0.7, 1.05] | 13 studies · 16139 participants | Moderate Downgraded: imprecision |
Preterm birth (b) Birth prior to 34 weeks Calcium supplementation vs placebo or no treatment (maternal outcomes) | RR 1.04 [0.8, 1.36] | 4 studies · 5669 participants | Moderate Downgraded: imprecision |
Low birthweight (< 2500 g) Calcium supplementation vs placebo or no treatment (maternal outcomes) | RR 0.93 [0.81, 1.07] | 6 studies · 14162 participants | Moderate Downgraded: inconsistency |