Table 3

Relationship between prepregnancy excess weight (BMI≥25 kg/m2), GDM and outcomes adjusted to parity and ethnicity

OutcomeOR95% CIp Value
Prematurity <37 weeks
 No excess weight no GDM1
  GDM0.7420.437 to 1.2580.267
 Excess weight2.4231.734 to 3.3850.0001
  No GDM3.1442.148 to 4.5930.0001
  GDM1.1610.539 to 2.3690.639
Birth weight <10 centile
 No excess weight no GDM1
  GDM0.8930.592 to 1.3460.588
 Excess weight1.1160.816 to 1.5360.453
  No GDM1.1450.785 to 1.6770.450
  GDM1.0230.562 to 1.8350.967
Birth weight >90 centile
 No excess weight no GDM1
  GDM0.9790.569 to 1.6820.937
 Excess weight1.0820.722 to 1.6220.701
  No GDM1.1160.711 to 1.6890.952
  GDM1.3620.663 to 2.7980.401
Apgar score <7 at 1 min
 No excess weight no GDM1
  GDM0.8270.452-1.5140.539
 Excess weight1.2700.755 to 2.1360.220
  No GDM1.2730.672 to 2.4130.284
  GDM1.3630.544 to 3.4230.511
Admission to NICU
 No excess weight no GDM1
  GDM0.6100.390 to 0.9530.030
 Excess weight2.9292.154 to 3.9830.0001
  No GDM4.0512.735 to 6.1060.0001
  GDM1.6501.013 to 2.7160.049
Gestational hypertension
 No excess weight no GDM1
  GDM0.6580.394 to 1.1000.110
 Excess weight1.0590.686 to 1.6370.795
  No GDM0.7380.347 to 1.5310.403
  GDM1.2290.717 to 2.1070.454
Cesarean section
 No excess weight no GDM1
  GDM0.4190.310 to 0.5660.001
 Excess weight1.5281.187 to 1.9670.001
  No GDM1.9321.393 to 2.6790.0001
  GDM1.0500.701 to 1.5750.724
Instrumental delivery
 No excess weight no GDM1
  GDM1.2180.906 to 1.6360.191
 Excess weight1.3491.036 to 1.7550.026
  No GDM1.5401.077 to 2.2010.010
  GDM1.0710.714 to 1.6260.404

  • BMI, body mass index; GDM, gestational diabetes mellitus; NICU, neonatal intensive care unit.