Automated Insulin Delivery Versus Usual Insulin Treatment Modality Before and During Pregnancy in Women With Type 1 Diabetes

Inclusion criteria during pregnancy planning * Women, age 18-45 years * Duration of type 1 diabetes ≥ 12 months * Women who are not pregnant confirmed by a negative pregnancy test on the day of randomization * Planning pregnancy within 52 weeks Inclusion during pregnancy: * Women, age 18-45 years * Duration of type 1 diabetes ≥ 12 months * Pregnant with an intrauterine singleton living fetus confirmed by an ultrasound scan between 8+0 and 13+6 gestational weeks * Accepting participation in the DDBR2 study during pregnancy, delivery and until one month after delivery Exclusion criteria during pregnancy planning and during pregnancy: * No proficiency in Danish to understand oral and written information * Severe mental or psychiatric barriers or concurrent disease on the decision of the principal investigator