Gestational diabetes mellitus: controversies and current opinions.

The past few years have seen significant controversy over the diagnosis and management of gestational diabetes and its influence on perinatal outcomes. The debate over who to screen and how to screen continues to rage. Even when a diagnosis has been made, there is a lack of consensus regarding appropriate management protocols and glycemic targets. In this review, we will examine many of the controversial areas in gestational diabetes, using contemporary data to discuss these issues.