Risk factors | Univariate | Multivariate | P value | ||
---|---|---|---|---|---|
OR | 95% CI | aORa | 95% CI | ||
Maternal age | 1.083 | 0.996–1.177 | 1.016 | 0.910–1.134 | 0.784 |
Gravidity | 1.178 | 0.893–1.553 | 1.241 | 0.844–1.825 | 0.271 |
Primipara | 1.537 | 0.727–3.252 | 2.117 | 0.723–6.196 | 0.171 |
BMI at delivery | 1.102 | 1.001–1.210 | 1.070 | 0.966–1.185 | 0.194 |
IVF | 4.731 | 2.439–9.180 | 4.635 | 2.130–10.084 | < 0.001 |
ICP | 0.369 | 0.144–0.945 | 0.371 | 0.130–1.061 | 0.064 |
Growth discordance | 1.732 | 0.695–4.316 | 3.288 | 1.109–9.749 | 0.032 |