Abstract
The study included the effect of metformin drug over dose in the liver pregnant non – Diabetic mice with weight ranged (25±2) gm , Orally administration of ( 1.8 , 2.85) mg of drug from (6-18)th day of pregnancy in the morning and once time daily, Drug caused death in half number of animals in 1.8) ) mg concentrate and caused significant increase in liver weight in high concentration 2.85 mg and non significant in low concentration compared with control group ( non treated ) , In addition some histologically changes that included inflammatory cells around damaged blood vessels which increase with high dose caused primary biliary cirrhosis . Other changes include Degeneration , necrosis , Blood vessels damage ,Greenish, Congestion and hemorrhage and fibrosis in the liver of dead mice .