Imuetinyan A I Blessing
East Afr Med J. 2011 Jan;88(1):28-32.
To document the umbilical cord separation time and factors which may influence this among a cohort of infants.
Descriptive cross sectional study.
Well Baby/Immunisation clinic in University of Benin teaching hospital, Benin city, Edo state, Nigeria.
Four hundread and ninety seven consecutive mothers with their healthy infants were documented for age, parity, place of delivery of infant, mode of delivery, gender of infants, cord care and the time it took for the umbilical stump of their infants to separate after birth or drop.
The time taken after birth for the cord stump to drop or to separate from its attachment ranged from two to 28 days with a mean of 6.34 +/- 3.67 days. There was a significant relationship between umbilical stump separation time on one hand and place of delivery (p < 0.001), gender of infants (p < 0.001) and cord care practice (p < 0.001) on the other hand. A significantly shorter cord stump separation time was found among babies delivered at non-orthodox centres, male infants and those who had inadequate cord care. There was no relationship between cord stump separation time and maternal parity, mode of delivery and materials used in tying the cord.
Cord stump separation time may be as long as 28 days and factors which may influence this include place of delivery, gender of infants and cord care practice. Knowledge of the normal range of time it takes for separation of the cord after birth is important to prevent unnecessary and maybe harmful interventions.
记录一组婴儿的脐带脱落时间以及可能影响该时间的因素。
描述性横断面研究。
尼日利亚江户州贝宁城贝宁大学教学医院的母婴/免疫诊所。
记录了497位连续就诊的母亲及其健康婴儿的年龄、胎次、婴儿分娩地点、分娩方式、婴儿性别、脐带护理情况以及婴儿脐带残端在出生后脱落或分离所需的时间。
脐带残端在出生后脱落或与附着处分离的时间为2至28天，平均为6.34±3.67天。一方面，脐带残端分离时间与分娩地点（p<0.001）、婴儿性别（p<0.001）和脐带护理方式（p<0.001）之间存在显著关系。在非正规中心分娩的婴儿、男婴以及脐带护理不足的婴儿中，脐带残端分离时间明显更短。脐带残端分离时间与母亲胎次、分娩方式以及结扎脐带所用材料之间没有关系。
脐带残端分离时间可能长达28天，可能影响该时间的因素包括分娩地点、婴儿性别和脐带护理方式。了解出生后脐带分离的正常时间范围对于防止不必要的、可能有害的干预措施很重要。
