Table 3.

Levels of neuroactive hormones in mice in ng/g.

	Group	Pregnenolone	Progesterone	5α-dihydroprogesterone	Allopregenanolone	Isoprenennolone
ng/g
(48)	3-month-old mice	Males: 5.59 ± 0.71 Females (diestrus): 11.56 ± 1.06	Males: 2.46 ± 1.10 Females (diestrus): 35.08 ± 5.79	Males: 19.22 ± 2.13 Females (diestrus): 20.39 ± 2.24	Males: 1.05 ± 0.46 Females (diestrus): 2.39 ± 0.42	Males: 0.21 ± 0.05 Females (diesteus): 0.29 ± 0.04
	3-month-old female mice	Proestrus: 10.88 ± 0.83 Estrus: 13.47 ± 1.89 Diestrus: 12.02 ± 1.23	Proestrus: 9.01 ± 4.63 Estrus: 4.24 ± 2.74 Diestrus: 30.14 ± 3.87	Proestrus: 7.52 ± 2.20 Estrus: 3.63 ± 1.31 Diestrus: 20.90 ± 2.82	Proestrus: 3.29 ± 1.24 Estrus: 2.10 ± 1.02 Diestrus: 2.53 ± 0.50	Proestrus: 0.27 ± 0.12 Estrus: 0.15 ± 0.05 Diestrus: 0.25 ± 0.02
	20-month-old mice	Males: 4.89 ± 0.28 Females: 3.46 ± 0.50	Males: 0.28 ± 0.10 Females: 1.30 ± 0.50	Males: 2.85 ± 0.43 Females: 3.79 ± 0.40	Males: 0.63 ± 0.25 Females: 1.10 ± 0.47	Males: 0.12 ± 0.04 Females: 0.05 ± 0.02