Outcome Crude Model a Crude Model a Adjusted Model b Adjusted Model b
OR (95%CI) P-value OR (95%CI) P-value
Live birth
NC Reference Reference
AC 0.94 (0.84, 1.04) 0.224 0.89 (0.79, 1.01) 0.055
Miscarriage
NC Reference Reference
AC 1.44 (1.18, 1.76) 0.0003 1.38 (1.11, 1.73) 0.004
Clinical pregnancy
NC Reference Reference
AC 1.03 (0.93, 1.15) 0.553 0.96 (0.85, 1.09) 0.540
Preterm birth
NC Reference Reference
AC 1.14 (0.96, 1.36) 0.132 1.09 (0.90, 1.33) 0.372
Ectopic pregnancy
NC Reference Reference
AC 0.98 (0.49, 1.94) 0.95 0.77 (0.36, 1.61) 0.484