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| Methods | Randomised controlled trial. |
| Participants | Healthy nulliparous pregnant women between 14‐23 weeks' gestation. |
| Interventions | Daily treatment with 2 g elemental calcium versus daily treatment with placebo. |
| Outcomes | Incidence of pre‐eclampsia, PIH, preterm deliveries, small for gestational age births, fetal or neonatal deaths. |
| Notes | This trial is reported in abstract form only. We have emailed the authors for additional outcome data. |
