Warm Tub Bath During Labor Effects on plasma catecholamine and P-endorphin-like immunoreactivity concentrations in the infants at birth

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Abstract
In this study 13 women bathed in a warm tub bath during the first stage labor after a strictly normal pregnancy. The control group consisted of 9 women who did not want warm tub bath. Apgar scores at 1 and 5 minutes were recorded and plasma adrenaline, noradrenalin were measured in umbilical arterial blood at birth, together with pH, pCO2 and base excess and beta-endorphin-like immunoreactivity in umbilical venous blood. No differences were found between the groups. No beneficial effect was found on infant condition of a warm tub bath during labor.