[Pregnandiol and progesterone in the umbilical cord blood in comparison with the level of both hormones in the maternal peripheral blood].

The levels of pregnandiol and progesterone in venous and arterial umbilical blood in 18 neonates were determined. The statistical analysis has shown that the values of both hormones were higher in venous blood. The comparison of the results with the levels of these hormones in maternal peripheral blood was performed. No correlation was found.