早产与母亲孕期因素的流行病学研究

采用统计学方法分析了广州市海珠区1998-1999年202例早产儿与母亲孕期各因素之间的关系，结果发现：产前检查次数少、胎膜早破、妊高征等因素可明显增加早产危险性，其估计比数比（OR）及95%可信区间（95%CI）分别为产检次数多、无胎膜早破、无妊高征的6.757倍（95%CI=4.000,11.364)、3.932倍（95%CI=1.766、8.756)、6.602倍（95%CI=1.327、32.851)。这些结果提示：要降低早产儿发生率，必须大力加强孕期保健及高危孕产妇管理，减少产科并发症的发生。

Epidemiological Study of the Relationship Between Premature Birth and Pregnant Factors

The relationship between pregnant factors and premature birth in Haizhu district of Guangzhou from 1998 to 1999 was analyzed statistically. The results showed that less antenatal examination, premature rupture of membranes and toxemia obviously increased the risk of premature birth, the odds ratio and 95%CI was 6.757 times to the more antenatal examination,3.932 times to non-premature rupture of membranes and 6.602 times to non-toxemia .respectively. It suggested that it was important for the decreasing of premature birth to strength the health protection of pregnant period and management of high risk pregnant and lying-in woman, and reduce of obstetric complications.