Abstract
The study was carried out to examine the relationship of neonatal sex, birthweight, maternal parity, hemoglobin status, gestational age at term, and duration of labor to cord- and maternal-plasma zinc, copper, and iron levels, measured by atomic absorption spectrophotometry. Significant differences were observed between maternal-and neonatal-cord plasma concentrations of the different trace elements at term. Maternal parity had no significant influence on the distribution of plasma trace elements, except in the case of maternal plasma iron levels. However, maternal hemoglobin status was observed as an important covariate of maternal zinc and iron levels at term. Neonatal birthweight was observed to be an index of maternal plasma zinc status at term. On the other hand, although gestational age at term had no significant influence on maternal-plasma trace-element concentrations, it was observed to influence neonatal-cord plasma levels. Long durations of labor (≥18 h) were associated with relatively lower, but not significant, maternal-plasma iron levels, whereas neonatal-cord-plasma iron levels seemed to show sex differences.
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Mbofung, C.M.F., Atinmo, T. & Omololu, A. Neonatal, maternal, and intrapartum factors and their relationship to cord-and maternal-plasma trace-element concentration. Biol Trace Elem Res 9, 209–219 (1986). https://doi.org/10.1007/BF02988820
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DOI: https://doi.org/10.1007/BF02988820