ethinyl estradiol ( ee ) in olive oil ( 0.02 , 0.2 , or 2.0 mg/kg ) administered to pregnant mice on days 11 to 17 of pregnancy induced abnormal differentiation of gonocytes and fetal sertoli cells in male fetuses on day 18 of gestation .
C0015011
ethinyl estradiol
C0032961
gestation