Table 1.

Maternal and fetal plasma electrolyte, protein, and insulin concentrations

	Maternal		Fetal
	Control	Cortisol	Control	Cortisol
Plasma Na+, meq/l	147.6 ± 0.86	147.0 ± 0.9	140.5 ± 0.7	140.5 ± 0.6
Plasma K+, meq/l	4.13 ± 0.06	4.30 ± 0.07	4.08 ± 0.14	4.36 ± 0.16
Plasma Ca2+, meq/l	5.27 ± 0.09	5.31 ± 0.10	5.86 ± 0.17	6.07 ± 0.20
Plasma protein, mg/ml	6.29 ± 0.20	6.82 ± 0.24	4.00 ± 0.11	4.35 ± 0.13
Plasma insulin, ng/ml	1.47 ± 0.1	1.78 ± 0.091	0.464 ± 0.05	0.629 ± 0.04

Values are group means ± SE.