Fetal scalp and umbilical artery blood lactate measured with a new test strip method

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Abstract
Objective To compare the measurement of lactate in fetal scalp and umbilical artery blood by a new dry reagent strip method with a commercially available enzymatic method using plasma (Monotest).Design Comparative study.Subjects Fetal scalp blood samples were obtained during labour from 24 fetuses and umbilical artery blood samples were obtained at birth in a further 51 deliveries.Results The concentration of lactate in scalp and umbilical artery blood measured by the reagent strip method correlated well (r= 0.94, PPConclusions The new dry reagent strip method which takes only 1 min to carry out and requires only 20 μl of blood seems to be handy and reliable. This system provides a convenient and rapid test for measuring fetal blood lactate.

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