Table 4

Mean (sd) plasma estradiol-17β concentration and median (IQR) plasma testosterone and androstenedione concentrations in incessantly ovulating (IO) and breeder (BR) mice killed on the afternoon of estrus, at 6-12 months (m) of age.

Age
Treatment
n*
Estradiol-17β (pg/ml) mean (sd)
Testosterone (ng/ml) median (IQR)
Androstenedione (ng/ml) median (IQR)

6 m
IO
19
17.82 (10.61)
0.37 (0.28, 0.64)
0.64 (0.47, 1.41)

BR
15
22.05 (9.35)
0.50 (0.41, 0.80)
0.63 (0.52, 0.84)
9 m
IO
12
18.96 (12.79)
0.24 (0.18, 0.26)
0.48 (0.38, 0.67)

BR
15
16.66 (9.58)
0.24 (0.12, 0.48)
0.40 (0.30, 0.53)
12 m
IO
16
24.49 (13.60)
0.27 (0.15, 041)
0.43 (0.29, 0.53)

BR
14
22.71 (11.38)
0.19 (0.15, 0.32)
0.32 (0.30, 0.46)

* n = number of animals analyzed per group

Fleming et al. Reproductive Biology and Endocrinology 2007 5:14   doi:10.1186/1477-7827-5-14