Table 5.

Blood lactate concentrations and uptakes on the final day of saline or cortisol infusion or 5 days thereafter

	During Infusion		+5 Days Postinfusion		P Value (two-way ANOVA)
	Saline (n = 15)	Cortisol (n = 9)	Saline (n = 9)	Cortisol (n = 9)	Cortisol	Study day	Interaction
Arterial blood lactate, mM
Maternal	0.48 ± 0.06	0.45 ± 0.03	0.55 ± 0.04	0.45 ± 0.04	0.20	0.57	0.49
Fetal	1.21 ± 0.09	1.58 ± 0.16	1.58 ± 0.16	1.22 ± 0.18	0.97	0.98	0.01
Uterine lactate uptake, µmol/min	43 ± 5	43 ± 7	64 ± 22	69 ± 18	0.84	0.08	0.84
Umbilical lactate uptake, µmol/min	52 ± 12	81 ± 17	85 ± 22	89 ± 13	0.30	0.21	0.41
Umbilical lactate uptake, µmol·min−1·kg fetus−1	17 ± 4	27 ± 5	24 ± 5	25 ± 4	0.22	0.62	0.39
Uteroplacental lactate production, µmol/min	94 ± 13	124 ± 15	149 ± 33	158 ± 22	0.36	0.04	0.61
Uteroplacental lactate production, µmol·min−1·kg placenta−1	318 ± 44	428 ± 60	564 ± 142	504 ± 55	0.76	0.05	0.29

Values are means ± SE. Boldface values indicate significant effect by two-way ANOVA.