Difference in average school grades between offspring born to women with type 1 diabetes and the matched control children, by maternal third trimester HbA1c level, adjusted for parental educational status. 95% CIs with robust standard errors. Difference in average school grades between offspring born to women with type 1 diabetes and the matched control children, by maternal third trimester HbA1c level, adjusted for parental educational status. 95% CIs with robust standard errors. Sine Knorr et al. Dia Care 2015;38:1238-1244 ©2015 by American Diabetes Association