Table 3.

Effect of DEHP on estrous cycle in pubertal female rats $\overline{x}\pm s$ (day)

Groups	n	Proestrus	Estrus	Metaestrus	Anestrus	Estrous Cycle
Control	12	16.80±6.57	14.80±3.90	12.00±0.00	38.40±5.37	86.80±13.97
250mg/kg/d	12	20.80±5.22	16.40±4.98	13.20±2.68	44.40± 5.37	94.80±11.10
500mg/kg/d	12	25.60±6.07	20.00±3.74	20.80±3.03	49.60±6.07*	116.00±17.20*
1000mg/kg/d	12	23.20±1.79	18.20±5.76	26.22±13.76	60.60±7.40*▲●	128.20±23.09*▲

^* P<0.05, vs control group;

^▲ P<0.05, vs 250 mg/kg/d group;

^● P<0.05, vs 500 mg/kg/d group