Relationship between depression and diabetes in pregnancy: A systematic review

Figure 2 Prevalence of concurrent diabetes and depression reported in studies included in this review. The n for each study represents the overall sample size. A: Prevalence of concurrent diabetes (types combined or not specified¹) and depression; B: Prevalence of concurrent pre-existing diabetes and depression; C: Prevalence of concurrent gestational diabetes and depression. DM: Diabetes mellitus; GDM: Gestational diabetes mellitus; PPD: Postpartum depression; T1DM: Type 1 diabetes mellitus; T2DM: Type 2 diabetes mellitus.