Univariable regression Univariable regression Multivariable regression Multivariable regression
Odds radio (95% CI) P-value Odds radio (95% CI) P-value
PCOS status
No Reference Reference
Yes 1.01 (0.88-1.15) .918 1.03 (0.81-1.31) .796
Maternal age, years 1.10 (1.09-1.11) <.001 1.10 (1.08-1.12) <.001
Maternal age
≤35 Reference Reference
>35 2.33 (2.11-2.56) <.001 1.99 (1.65-2.39) <.001
BMI, kg/m2 1.02 (1.01-1.03) <.001 1.02 (1.01-1.04) <.001
BMI
<25 Reference Reference
≥25 1.53 (1.33-1.73) <.001 1.42 (1.32-1.61) <.001
Prior pregnancy loss 1.21 (1.00-1.46) .046 1.03 (0.85-1.25) .754
Comorbid conditions 1.21 (0.96-1.50) .103 1.61 (1.27-2.04) <.001
Embryo transferred
SET Reference Reference
DET 0.87 (0.80-0.94) .002 0.86 (0.75-0.99) .037