Fig. 5

Mean ± S.E.M. progesterone (ng/ml) (a), testosterone (pg/ml) (b) and estradiol (pg/ml) (c) serum levels in control-rats injected with Vh (blue bars) or with EV (red bars) at 14 days of age; rats denervated with GTD (from days 7 to 27) + Vh (striped blue bars) or GTD (from days 7 to 27) + EV (striped red bars); Vh + + GTD (from days 14 to 34) (striped blue bars) or EV + GTD (from days 14 to 34) (striped red bars); Vh + GTD (from days 70 to 90) (striped blue bars) or EV + GTD (from days 70 to 90) (striped red bars). All animals were sacrificed at days 90–94 of life when the rats presented a vaginal oestrus. *p < 0.05 versus immediate control group; ♦p < 0.05 versus corresponding control group without GTD (Student’s t-test)