Cong K J
Obstetric and Gynecology Hospital, Beijing.
Zhonghua Fu Chan Ke Za Zhi. 1993 Nov;28(11):657-9, 700.
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.
本文对钙与妊娠高血压综合征（PIH）之间的关系进行了前瞻性研究。150例正常孕妇被分为3组：A组每天补充1克钙元素，B组每天补充2克钙元素，C组不补充钙。每组分别有8%、4%和18%的孕妇发生了PIH。似乎每天补充2克钙效果最佳。此外，研究范围扩大：200例孕妇从妊娠第20至28周起每天补充2克钙元素，另外200例孕妇不补充钙。PIH的发生率分别为7.5%和16.5%。补充2克钙没有不良反应。文中还讨论了正常妊娠和PIH中钙的代谢情况。孕期补充钙可能有助于降低PIH的发生率。
