[Changes in plasma and urinary digoxin-immunoreactive like substance in normal pregnancy and pregnancy-induced hypertensive women].

Plasma and urinary digoxin-immunoreactive like substance (DILS) were measured in normal non-pregnant (NNP), normal pregnant (NP) and pregnancy-induced hypertensive women (PIH). The plasma DILS level of PIH, compared with NNP, was no significantly decreased (P > 0.05); but that of NP was significantly decreased (P < 0.01). While the urinary DILS levels of PIH and NNP were significantly higher than that in NNP (P < 0.01). In 24-72 hours after delivery the plasma and urinary DILS levels were all significantly lower than that in NNP (P < 0.05). These results indicate that DILS may play a role in homeostasis regulation in NP or PIH.