INTRODUCTIONGlucose intolerance during pregnancy is associated with an increase in perinatal morbidity and mortality, especially in women who are:??? Aged >25 years??? Member of an ethnic group with high prevalence of diabetes (e.g., Hispanic, African, Native American, South or East Asian, Pacific islander)??? Body mass index > 25??? Previous unexplained perinatal loss or birth of a malformed chil