近年来流行病学和动物实验的观察,发现钙的摄取量与高血压呈反比。随意抽样212例正常妊娠妇女分4组,从妊娠20～28周每天口服钙元素120mg、240mg、lg和2g至分娩,妊高征发生率依次为8.9%、7.1%、8.0%,4%。对照组106例不补钙,妊高征发生率18%。补钙2g组妊高征显著降低,有统计学意义,无副反应。补钙降低妊高征发生率的效果,可能与钙调整血浆甲状旁腺素和肾素活性有关。 In recent years, epidemiological and animal experiments observed and found that calcium intake is inversely proportional to hypertension. Random samples of 212 normal pregnant women were divided into 4 groups, from 20 to 28 weeks gestation daily oral calcium 120mg, 240mg, lg and 2g to delivery, the incidence of pregnancy induced hypertension were 8.9%, 7.1%, 8.0%, 4%. The control group of 106 patients without calcium, pregnancy-induced hypertension incidence of 18%. Calcium 2g group PIH significantly reduced, with statistical significance, no side effects. Calcium to reduce the incidence of pregnancy-induced hypertension effect may be related to calcium and plasma parathyroid hormone and renin activity.