Comment on McIntyre and Moses The Diagnosis and Management of Gestational Diabetes Mellitus in the Context of the COVID-19 Pandemic. Diabetes Care 2020;43:1433–1434

We read with interest the article by McIntyre and Moses in the July issue of Diabetes Care (1), which prompted us to look at our data for screening for gestational diabetes mellitus (GDM) in relation to the recently published U.K. Royal College of Obstetricians and Gynaecologists (RCOG) guidelines for maternal medicine during the coronavirus pandemic that include guidance on antenatal care for women with GDM (2). The guidance recommends the use of HbA_1c and fasting plasma glucose (FPG) or random plasma glucose (RPG) in a two-step approach at booking and at 28 weeks’ gestation with a recommendation that, at booking, an HbA_1c ≥48 mmol/mol or an RPG ≥11.1 mmol/L would be managed as type 2 diabetes in pregnancy and an HbA_1c 41–47 mmol/mol or an RPG 9–11 …