Figure 2.

Effects of maternal separation stress and Iranian propolis extract on corticosterone level (ng/mL) and 17 beta-estradiol level (ng/mL) in the rat neonates. Control group (Control), control group + saline infusion (Sham), stress group+saline infusion (Stress), stress group+50 mg/kg propolis extract (SP50), stress group+100 mg/kg propolis extract (SP100) and stress group+200 mg/kg propolis extract (SP200). * P<0.001, compared to the Control and Sham groups, # P<0.001, compared to the Stress group. All data are presented as Mean ± SEM, n=8