| Adjusted odd ratio | [95% CI] | P-value | |
| Confounding factors | |||
| Maternal age (>40 years) | 3.93 | 0.56 - 27.63 | 0.16 |
| Obesity and overweight history | 7.94 | 1.52 - 41.41 | 0.01 |
| Macrosomia history | 3.59 | 0.48 - 26.60 | 0.20 |
| Pooled pre-pregnancy BMI (≥25 kg/m2) | 5.24 | 1.54 - 17.82 | 0.00 |
| Hormone therapy | 18.23 | 1.54 - 214.51 | 0.02 |