Table 2.

Maternal Salivary Cortisol Values (in μg/dL, Mean ± SD) at Each Assessment Time Point; Concentrations for Each Time Point Are Averaged Across the 4-Day Assessment Period

	T1 (≅13-Week Gestation)	T2 (≅24-Week Gestation)	T3 (≅30-Week Gestation)
Awakening	0.404 (0.210)	0.480 (0.200)	0.519 (0.180)
+30 min after awakening	0.490 (0.210)	0.561 (0.218)	0.645 (0.270)
12 PM	0.215 (0.130)	0.257 (0.158)	0.331 (0.134)
4 PM	0.151 (0.102)	0.192 (0.144)	0.236 (0.120)
8 PM	0.110 (0.096)	0.125 (0.100)	0.174 (0.124)