Gestational diabetes mellitus is a condition in which carbohydrate intolerance develops and is diagnosed for the first time in pregnancy without a clear pre-existence of type 1 or type 2 diabetes. It is a pathology of great importance due to its increasing prevalence and association to maternal, fetal and/or neonatal complications that affect multiple areas of medicine and the community. Although there is still controversy regarding its diagnosis, multiple studies recommend a 2-step method based on a 50-gram oral glucose screen and then a 3-hour glucose tolerance test with a 100-gram glucose ingestion in those women that present a positive screening. The mainstay of the treatment will consist of healthy diet and positive lifestyles. For tho...