Do More Data Translate into Better Control of Diabetes During Pregnancy?

Fetal macrosomia (birth weight above the 90th percentile) is the most common complication of pregnancy in women with preexisting diabetes. In a study of antenatal diabetes management, 71 pregnant diabetic women (65% type 1 and 35% type 2) were randomized to standard blood glucose monitoring ≥7 times daily, with (intervention group) or without (control group) continuous subcutaneous glucose monitoring for 1-week intervals between 8 and 32 weeks’ gestation. The primary outcome was glycosylated hemoglobin (HbA_1c) levels (measured every 4 weeks); the secondary outcome was occurrence of fetal macrosomia. Treatment groups were similar, except that mean duration of diabetes was 5 years longer in the intervention group than in controls. With the he…