Seasonality, temperature and pregnancy oral glucose tolerance test results in Australia

The oral glucose-tolerance test (OGTT) is currently the standard method for diagnosis of gestational diabetes (GDM). We conducted a post hoc analysis using the Australian Hyperglycemia and Adverse Pregnancy Outcome (HAPO) data to determine seasonal variations in OGTT results, the consequent prevalence of GDM, and association with select perinatal parameters. Women enrolled in the Australian HAPO study sites (Brisbane and Newcastle) from 2001 to...