Table 2.

Effect of DEHP on vaginal opening time in pubertal female rats $\overline{x}\pm s$ (day)

Groups	n	Vaginal opening time
Control 250mg/kg/d 500mg/kg/d 1000mg/kg/d	12 12 12 12	35.50±3.27 34.30±3.80 34.00±4.06 29.58±3.85*▲●

^* P<0.05, vs control group;

^▲ P<0.05, vs 250 mg/kg/d group;

^● P<0.05, vs 500 mg/kg/d group