INS and diabetes mellitus: Eleven studies were conducted during the pregnancy period and assessed the following interventions: metformin and/or insulin therapy,15, 18, 19, 25, 26 docosahexaenoic acid‐enriched (DHA) fish oil supplementation,16 continuous glucose monitoring (CGM),17, 20, 24 moderate aerobic exercise21 and a diabetes group prenatal care programme.23