phenobarbitone supplied at concentrations of 187.5 mg/l and 500 mg/l ( 50 -- 60 mg/kg and 120 -- 190 mg/kg daily ) in the drinking fluid of mice throughout pregnancy and lactation did not affect gestation period , numbers born or resorbed or pup weights at birth and weaning .
C0031412
phenobarbitone
C0032961
pregnancy