Clinical analysis of 198 cases of early-to-moderate preterm birth / 上海第二医科大学学报

ABSTRACT

Objective To investigate the related risk factors and neonatal outcomes in early preterm birth by analysis of 198 cases of early-to-moderate preterm birth. Methods Retrospective analysis was conducted on 198 pregnant women hospitalized during January 2004 to September 2006 with early-to-moderate preterm birth who delivered at 28 to 33+6 weeks of gestational age and their preterm infants.All of them were divided into two groups early preterm birth group,28 to 3l+6 weeks of gestational age,n=90 for the pregnant women and n= 99 for the preterm infants;moderate preterm birth group,32 to 33+6 weeks of gestational age,n=108 for the pregnant women and n=122 for the preterm infants(fatal birth defects were excepted).The risk factors for preterm birth and neonatal outcomes were compared between the two groups. Results Various factors contributed to the occurrence of preterm birth.Systemic antenatal care and weight gain during pregnancy were significantly less found in the early preterm birth group than the moderate preterm birth group(P