Table 1—

Occurrence of SH, reduced hypoglycemia awareness, and fear of hypoglycemia in 278 women with type 1 diabetes, contrasting the last 4 months before gestation and the first trimester of pregnancy

PregestationalFirst trimester
Occurrence of SH (no episodes/4 months)
 SH (all episodes)0.9 ±2.42.6 ±6.3*
 Hypoglycemic coma0.3 ±1.30.7 ±3.7
Proportion of patients with SH (all episodes)2541*
 Uncomplicated SH only1622*
 Hypoglycemic coma919*
 Reduced hypoglycemia awareness§1635*
Fear of hypoglycemia
 Hypoglycemia worry level12 ±912 ±9
  • Data are means ±SD or %.

  • *

    * P<0.001

  • P<0.05 as compared with pregestational

  • §

    § Clarke et al. (12)

  • Hypoglycemic Fear Survey, Worry Scale (points).