Another review of calcium supplementation trials and pre-eclampsia: A review of 15 randomized contolled trials found calcium supplementation helped prevent pre-eclampsia (high blood pressure in pregnancy), preterm birth and lowered the risk of woman dying or having serious problems related to pre-eclampsia. Compared to placebo, calcium supplementation during pregnancy was associated with a 52% risk reduction of pre-eclampsia and 25% risk reduction of severe pre-eclapmsia. Risk of premature birth was reduced by 24% in the calcium supplemented group compared to placebo. Additionall, there was an 85 g gain in birthweight associated with calcium supplementation. Women were also less likely to die or have serious problems due to pre-eclampsia (20% reduced risk). (18)
