all tested doses of diazepam ( 1 , 2 and 4 mg/kg/day ) or phenobarbital sodium ( 30 and 60 mg/kg/day ) appear to have no effect on the efficacy of ethinyl estradiol when either of them was administered from d3 to d5 or from d1 to d5 of pregnancy .
C0282303
phenobarbital sodium
C0032961
pregnancy