Table 1. Effect of 3-NPA-induced ovarian oxidative stress on reproductive ability.

Group	NO. of mice	NO. of vaginal plug (%)	NO. of Pregnancy (%)	Average number of fetal mice
				7.5 d	12.5 d	18 d
Control	36	26 (72.2)	20(76.9)	24.33±0.64	23.50±0.76	18.50±0.32
3-NPA	45	24 (53.3)*	16(66.7)*	16.50±0.58*	15.25±0.52*	13.50±0.37*

Data are presented as mean ± SEM.

^* P<0.05 compared to Control;

Abbreviations: 3-NPA, 3-nitropropionic acid; NO., Number.