INS and infection: Similarly, mean (SD) HbA1c levels in the insulin group [6.50 (0.41)] and acarbose group [6.42 (0.30)] were similar (p=0.82). During the antenatal period, 10 (20%) of the patients treated with insulin and 9 (18%) of the patients treated with acarbose developed recurrent infections (p=0.64).