[Condition of the serum antioxidation in normal pregnant women]

In order to investigate the condition of antioxidation in normal pregnancy, the serum levels of antioxidant activity (AOA), superoxide dismutase (SOD) activity, uric acid and vitamin C were measured in 30 cases of normal pregnant women. The results showed that the serum levels of AOA and SOD activity (nitrite unit per mg serum protein) were significantly higher than that of non-pregnant women (P < 0.01 and P < 0.005), and indicated that the serum condition of antioxidation was improved during the normal pregnancy. Besides, serum vitamin C level decreased and uric acid level remained unchanged. The SOD activity unit were also discussed.