<prompt> High-risk characteristics for gestational diabetes include all of the following, EXCEPT:Age 35-40 yearsHeavy glycosuriaNonpregnant body mass index 35Polycystic ovarian syndrome  <response>: High-risk characteristics of gestational diabetes: Age 35-40 years Obesity nonpregnant body mass index 30 Prior history of GDM Heavy glycosuria 2 on dipstick History of unexplained stillbih Polycystic ovarian syndrome Strong family history of diabetes Ref: Murphy A., Janzen C., Strehlow S.L., Greenspoon J.S., Palmer S.M. 2013. Chapter 31. Diabetes Mellitus Pregnancy. In A.H. DeCherney, L. Nathan, N. Laufer, A.S. Roman Eds, CURRENT Diagnosis Treatment: Obstetrics Gynecology, 11e. 