Calcium and vitamin D deficiency causes rickets in children and osteoporosis in adults. Objectives: to evaluate the impact of Ca, D supplementation on calcium and vitamin D status of 13-24 week pregnant women. This was a clinical controlled trial. Results: at To, there was no significant difference between the 2 groups on calcium and vitamin D concentration. After the intervention, ion calcium increased (0.03 mmol/l) in the Intervention Group (Group-CT), with significant difference compared to the Control group (Group-C), p 0.0001
vitamin D concentration had no change in Group-C, but increased significantly between the two groups, p