.(Diagnosis of gestational diabetes i High risk factors: a familial history of diabetes, given birth to large infants, unexplained fetal losses, obesity ii. Screaning 50g oral glucose challenge test: A value of 140mgdi(7.8mmol/or higher will identify 80% of all women with gestational diabetes(II)Diagnosis of gestational diabetes i.High risk factors: a familial history of diabetes, given birth to large infants, unexplained fetal losses, obesity ii.Screaning 50g oral glucose challenge test: A value of 140mg/dl(7.8mmol/l)or higher will identify 80% of all women with gestational diabetes