Which of the following histories is not an indication to perform oral glucose tolerance test to diagnose gestational diabetes mellitus?

Indications for performing GCT: All those conditions in which there is risk of having diabetes. On the basis of risk factors females are categorised into 3 category: Low risk All of the folowing: Member of an ethnic group with a low prevalence of GDM No known diabetes in first degree relatives Age <25 years Weight normal before pregnancy Weight of previous baby normal at birth No history of abnormal glucose metabolism No H/o poor obstetrical outcome Average risk One or more of the following: Member of an ethnic group with a high prevalence of GDM Diabetes in a first degree relative Age > 25 years Overweight before pregnancy Weight high at birth (previous baby) High risk Marked obesity Strong family history of type II DM Previous history of GDM impaired glucose metabolism or glucosouria Unexplained stillbirth H/o previous congenitally malformed baby