Main Article Content
The metformin drug is anti-hyperglycemia and known to cross the placenta which leads to the fetus during pregnancy .The aim of this study is to define the drug effects in the fetus growth . The doses used , therapeutic dose ( 0.18 & 0.53 ) mg\25g body weight and over dose ( 1.8 & 2.85) mg\ 25g body weight , administrated orally at the beginning organogenesis stage at ( 6 -18 ) day of pregnancy in the morning . A total ( 50 ) animal were divided into five groups .The first group control not treated , 2nd group treated with (0.18) mg , 3rd group with ( 0.53 ) mg , 4th group with ( 1.8 ) mg and 5th group with ( 2.85 ) mg . In this study noted some congenital malformations in the fetus compared with normal control group , which included in the 2nd and 3rd group ( irregular body level , exophthalmia , micromelia , elevated some hand fingers , simple club foot , torsion tail and wrinkle skin ) while the defects was larger in the 4th and 5th group ( trunk abnormalities like C Shape , big head ( scaphocethaly) , cranial flexure , prosencephaly, short neck , micromelia , syndactyly some of hand fingers and others hemimelia , torsion tail and some aquiline , sharply club foot and spina bifida ) . It is mentioning that the malformations was less in the 2nd group treated with (0.18) mg of the drug . The treatment with metformin drug during pregnancy induced the congenital malformations .