“…To assess the heterogeneity of GDM we divided the women into four groups (A, B, C, D) according to their pre-pregnancy BMI, parity, and history of GDM, similar to our previous studies [10,15]. Group A: obese primiparous women, group B: multiparous obese women without GDM history, group C: multiparous non-obese women with previous GDM, and group D: multiparous obese women with previous GDM.…”