新生儿出生 3～ 4天 ,脐带自行脱落者 ,可见脐周红肿 ,甚至有脓性分泌物。为此我就新生儿脐带自行脱落与出生 2 4h剪脐对比观察 ,报道如下 :1　资料与方法 :1.1　资料来源　将 1999年 12月间在我院出生的新生儿 381例 ,随机分为 2组 ,奇数组为研究组 ,共 191例 ;偶数组为对照组 Newborns were born 3 to 4 days, umbilical cord on their own off, showing umbilical swelling, and even purulent secretions. To this end I on the umbilical cord off the newborn and birth 24 h cut umbilical contrast observation, reported as follows: 1 Materials and Methods: 1.1 Source of Information December 1999 in our hospital born 381 neonates were randomly divided into two groups , Odd group for the study group, a total of 191 cases; even group as the control group