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. 1993 Nov;28(11):657-9, 700.

[Calcium and pregnancy induced hypertension]

[Article in Chinese]
K J Cong  1
Affiliations
  • PMID: 8313732

[Calcium and pregnancy induced hypertension]

[Article in Chinese]
K J Cong. Zhonghua Fu Chan Ke Za Zhi. 1993 Nov.

Abstract

In this paper the relationship between calcium and pregnancy induced hypertension (PIH) was prospectively studied. 150 normal pregnant women were divided into 3 groups: group A with supplement of calcium element 1g/day, group B 2g/day and group C with no calcium supplement. 8%, 4% and 18% of each group had developed PIH respectively. It seems that supplement of 2 gram calcium per day gave the best result. Furthermore the study was expanded: 200 cases with supplement of calcium element 2 g/day from 20-28th week of pregnancy, another 200 pregnant women without calcium supplement. The occurrence of PIH was 7.5% and 16.5% respectively. There was no adverse effect with 2 g calcium supplement. The metabolism of calcium in normal pregnancy and PIH was discussed. Supplement of calcium during pregnancy may benefit by reduction of PIH incidence.

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