Adinma J I
Department of Obstetrics and Gynaecology, Iyi-Enu Hospital, Onitsha, Nigeria.
Int J Fertil Menopausal Stud. 1993 May-Jun;38(3):175-9.
To establish base-line data on cord length among Igbo parturients of Eastern Nigeria, especially relationship between age and parity, gestation length, sex and weight of newborn, placental weight.
Retrospective analysis of 1,000 consecutive deliveries.
Mission hospital.
Placental length of umbilical cord, placental weight, and prenatal data.
Cord length varied between 15 cm and 130 cm (mean, 51.5 cm). No relationship found to parity, maternal age, or sex of baby. Increase in cord length with birthweight and gestational age, up to term. Correlation between umbilical length and placental weight, with a variation according to lie of the fetus: longest in cord encirclement and unstable lie, shortest in breech presentation, transverse lie, and twin birth.
建立尼日利亚东部伊博族产妇脐带长度的基线数据，尤其是年龄与胎次、妊娠时长、新生儿性别和体重、胎盘重量之间的关系。
对1000例连续分娩病例进行回顾性分析。
教会医院。
脐带胎盘长度、胎盘重量及产前数据。
脐带长度在15厘米至130厘米之间（平均51.5厘米）。未发现与胎次、产妇年龄或婴儿性别有关。脐带长度随出生体重和孕周增加，直至足月。脐带长度与胎盘重量之间存在相关性，根据胎儿胎位而有所不同：脐带绕颈和胎位不稳定时最长，臀位、横位和双胎分娩时最短。
