Table 1—

HbA1c in normal, early, and late pregnancy compared with age-matched nonpregnant women without diabetes

NonpregnantEarly pregnancyLate pregnancy
n14510098
Age (years)30.0 ± 030.8 ± 529.2 ± 3
BMI (kg/m2)24.5 ± 4.623.0 ± 3.622.3 ± 2.8*
HbA1c (%)5.5 ± 0.45.1 ± 0.35.0 ± 0.3
  • Data are means ± SD.

  • *

    * Trend test P < 0.009.

  • Trend test P < 0.0001; nonpregnant vs. early pregnancy, P < 0.001; early vs. late pregnancy, P < 0.05; nonpregnant vs. late pregnancy, P < 0.001.