中国10县(市)1993-2005年单胎儿早产流行状况研究

刘兰; 刘建蒙; 刘英惠; 李智文; 叶荣伟; 郑俊池; 李竹

Abstract

刘兰,刘建蒙,刘英惠,李智文,叶荣伟,郑俊池,李竹.中国10县(市)1993-2005年单胎儿早产流行状况研究[J].Chinese journal of Epidemiology,2007,28(11):1051-1054

中国10县(市)1993-2005年单胎儿早产流行状况研究

Prevalence of preterm birth among singIetons in 10 counties(cities)of China，1993-2005

Received:June 02, 2007

DOI：

KeyWord: 早产发生率趋势

English Key Word: Preterm birth Preterm birth rate Trend

FundProject:

Author Name	Affiliation
LIU Lan	Institute of Reproductive and Child Health. Peking University Beijing 100083 China
LIU Jian-meng	Institute of Reproductive and Child Health. Peking University Beijing 100083 China
LIU Ying-hui	Institute of Reproductive and Child Health. Peking University Beijing 100083 China
LI-Zhi-wen	Institute of Reproductive and Child Health. Peking University Beijing 100083 China
YE Rong-wei	Institute of Reproductive and Child Health. Peking University Beijing 100083 China
ZHENG Jun-chi	Institute of Reproductive and Child Health. Peking University Beijing 100083 China
Li Zhu	Institute of Reproductive and Child Health. Peking University Beijing 100083 China

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Abstract:

目的描述中国10县(市)单胎儿早产流行状况及长期变化趋势。方法资料来源于“中美预防出生缺陷和残疾合作项目”中的围产保健监测数据库。研究对象为3省10县(市)在1993-2005年问所有孕满28周且分娩单胎儿(包括死胎死产)的孕产妇542 923名，计算早产率并描述其分布特征。结果1993-2005年间在10县(市)共发生早产25 784例(其中死胎死产1530例)，早产率为4.75％(95％CJ：4.69～4.81)，活产儿早产率为4.49％(95％c，：4.44～4.55)。单胎早产率呈逐年下降趋势，无明显季节倾向；南方城市、南方农村和北方农村的早产率依次降低；分娩年龄与早产率呈“u”型关系；文化程度低、孕产次多、有早产史或自然流产史者早产率较高。结论10县(市)单胎早产率呈逐年下降趋势，不同地区差别显著。

English Abstract:

objectiveTo describe the secular trends and epidemiological characteristics of pretermbirth among sin91etons in 10 counties(cities)of China during 1993-2005.methods We analyzed data on 542 923 women(gestational age≥28 weeks)collected through Perinatal Healthcare Surveillance Systemestablished bv the Institute of Reproductive and Child Health，Peking University.Chi-square tests wereemployed to test the differences in prevalence of preterm birth among different groups. results 25 784preterm births were identified，including 1530 stillbirths.Preterm birth rate was 4.75％(95％CJ：4.69-4.81)fOr all births and 4.49％(95％C，：4.44-4.55)for 1ive births.Preterm birth rate declined steadilyfrom 1993 to 2005 and had no significant seasonal variation.Preterm birth rate from the urban areas of theSbuthern part of the countrv，was higher than that in the rural areas which was also higher than that seen inthe rural areas from the northern part of the country. Relations between women’s age at delivery andpreterm birth appeared to be U-shaped.Increased preterm birth rates were alSo observed in women withlower education 1evel，more parities，and previous history of preterm birth or abortion.conclusion Pretermbirth rate decreased steadily from 1993 2005 in 10 counties(cities)but varied by areas of the country.

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