Global report on preterm birth and stillbirth (3 of 7): evidence for effectiveness of interventions.

BMC Pregnancy Childbirth · 2010 · PMC2841444 · PMID 20233384

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not quite significantno p-value reported

Preterm birth Calcium supplementation trials in low-risk women in populations with low-calcium diets reduced the risk of preeclampsia (RR 0.48; 95% CI 0.33-0.69) but its impact on preterm birth (10 trials, RR 0.81; 95% CI 0.64-1.03) and low birth weight (8 trials, RR 0.84, 95% CI 0.68-1.03) was not quite significant [ 71 ].

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