Current evidence about better perinatal outcomes associated to one step approach in the diagnosis of gestational diabetes mellitus is not of high quality.

It would derive from these findings that any women with a GDM diagnosis only according to IADPSG criteria was destined to have a LGA newborn and on the other side, that all these LGA newborns would be prevented with a GDM diagnosis and appropriate treatment. Dear Editor, We read with a great interest the meta-analysis of Saccone et al. addressing randomized controlled trials (RCT) on the one step vs two step approach for gestational diabetes mellitus (GDM) diagnosis [[1]]. [Extracted from the article]