Developing twin‐specific 75‐g oral glucose tolerance test diagnostic thresholds for gestational diabetes based on the risk of future maternal diabetes: a population‐based cohort study

Objective To develop twin‐specific outcome‐based oral glucose tolerance test (OGTT) diagnostic thresholds for GDM based on the risk of future maternal type‐2 diabetes. Design A population‐based retrospective cohort study (2007–2017). Setting Ontario, Canada. Methods Nulliparous women with a live singleton ( n = 55 361) or twin ( n = 1308) birth who underwent testing for gestational diabetes mellitus (GDM) using a 75‐g OGTT in Ontario, Canada...