Insulin Fiasp vs. Insulin Novorapid During Pregnancy and Laction in Women With Pre-existing Diabetes

Inclusion criteria

• Women, age ≥ 18 years

• Duration of type 1 diabetes (or mature onset of diabetes in the young) ≥ 12 months

• Type 2 diabetes (any duration)

• Pregnant with an intrauterine singleton living fetus confirmed by an ultrasound scan between 8+0 and 13+6 gestational weeks

• Routine use of insulin pump therapy, insulin detemir, insulin degludec, insulin glargine, insulin abasaglar, insulin toujeo or Neutral Protamine Hagedorn insulin and willing to continue routine treatment modality

• Women with type 1 diabetes using an insulin pump compatible with trial products

• Women with type 2 diabetes treated with diet, oral antidiabetic therapy or pre-mixed insulin before pregnancy and willing to change to trial medication according to randomization or to an appropriate long-acting insulin analogue, as indicated

• Proficiency in Danish to understand oral and written information

Exclusion criteria

• Severe mental or psychiatric barriers or concurrent disease on the decision of the principal investigator