Of 270 islet autoantibody-negative women, 92 (34%) received insulin treatment during pregnancy. Postpartum diabetes risk was 84.5% by 8 years postpartum (95% CI 75.4 –93.6) in women
who received insulin during pregnancy compared with 23.2% (15.4 –31.0) in women who were treated with diet alone (P 0.0001). Postpartum diabetes risk by 8 years was 50.1% (39–61.2) in obese women (n 80) compared