Figure 2.

(a) Estrous cycle of the control group. (b) Estrous cycle of the DHEA group. (c) Estrous cycle of DHEA + EA group. (d) Days in estrus stage. (e–i) Serum E2, T, P, LH, and FSH levels in different groups of mice. E2: estradiol, P: progesterone, T: testosterone, LH: luteinizing hormone, FSH: follicle-stimulating hormone. ∗p < 0.05 and ∗∗p < 0.01.