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测定１０３例晚期妊娠妇女２４小时尿钙、晨尿钙及肌苷的排泄量；其中妊高征２８例，正常妊娠７５例。结果：妊高征患者２４小时尿钙排泄量为０．７０±０．３６ｍｍｏｌ／ＵＬ，显著低于正常孕妇２４小时尿钙排出量４．００±１．９０ｍｍｏｌ／Ｌ（Ｐ＜０．０００５）；２４小时尿钙排出量与晨尿钙／肌苷比值呈正相关。由此提示，尿钙的测定可作为诊断、治疗妊高征的一项客观指标，２４小时尿钙排出量也可通过晨尿估计。作者认为妊高征时尿钙低可能与肾小管对钙的重吸收增加有关。
Determination of 103 cases of late pregnancy women 24-hour urinary calcium, morning urinary calcium and inosine excretion; of which 28 cases of pregnancy-induced hypertension, 75 cases of normal pregnancy. Results: The urinary calcium excretion in patients with PIH was 0.70 ± 0.36mmol / UL in 24 hours, which was significantly lower than that of normal pregnant women (4.00 ± 1.90mmol / L, P <0.0005) 24 hours urinary calcium excretion and morning urine calcium / inosine ratio was positively correlated. This suggests that the determination of urinary calcium can be used as a diagnosis and treatment of pregnancy-induced hypertension as an objective indicator of 24-hour urinary calcium excretion can also be estimated by morning urine. The authors suggest that low urinary calcium during pregnancy-induced hypertension may be associated with increased tubular reabsorption of calcium.