Figure 3. Fluctuations in serum estradiol and progesterone over the estrous cycle. (A) Estradiol. (B) Progesterone. Each column represents the mean ± SEM of 11 to 14 animals. *p < 0.05, **p < 0.01, by the Tukey-Kramer test.
Figure 3. Fluctuations in serum estradiol and progesterone over the estrous cycle. (A) Estradiol. (B) Progesterone. Each column represents the mean ± SEM of 11 to 14 animals. *p < 0.05, **p < 0.01, by the Tukey-Kramer test.