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  • Title: Nuchal cord encirclements and birth weight.
    Author: Carey JC, Rayburn WF.
    Journal: J Reprod Med; 2003 Jun; 48(6):460-2. PubMed ID: 12856519.
    Abstract:
    OBJECTIVE: To determine if the presence of a single or multiple nuchal cord encirclement has a negative effect on fetal growth. STUDY DESIGN: Data were retrieved from consecutive deliveries at our institution between January 1991 and December 1996. Our computerized database included live-born single and multiple births with a birth weight of > or = 300 g. ANOVA and multiple linear regression were used for statistical analysis. RESULTS: Among the 13,256 deliveries, a single nuchal cord encirclement was observed in 3,250 (24.5%), and multiple encirclements were present in 504 (3.8%). There was no association between the diagnosis of growth restriction and the presence of a cord encirclement. The mean birth weight was no different in the presence of a single or multiple nuchal cord encirclement than with no encirclement (3,206 g or 3.135 g vs. 3,252 g; F = .08, P = .7). After controlling for substance abuse, medical or obstetric complications, race, infant sex, congenital anomalies and gestational age, there was no effect of a single or multiple cord encirclement on mean birth weight. CONCLUSION: Birth weight is unaffected by a single or multiple nuchal cord encirclement.
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