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| Methods | Randomised controlled trial. |
| Participants | Healthy pregnant women age > 35. Nulliparous only, between 15‐20 weeks' gestation. |
| Interventions | 2 g daily elemental calcium versus 2 g daily placebo. |
| Outcomes | Preterm delivery, pre‐eclampsia. |
| Notes | This trial is reported in abstract form only with no outcome data. We have emailed the authors for additional information and outcome data. |
