NC (n=1676) AC (n=8057) P-value
Biochemical pregnancy (n, %) 1073(64.05) 5347(66.36) 0.076
Implantation rate (n, %) 1384(47.43) 6963(49.44) 0.007
Live birth rate (n, %) 885(52.80) 4123(51.17) 0.224
Miscarriage rate (n, %) 118(11.47) 794(15.85) <0.001
Clinical pregnancy rate (n, %) 1029(61.40) 5009(62.09) 0.553
Preterm birth rate (n, %) 171(10.20) 925(11.48) 0.132
Very preterm rate (<32 weeks) (n, %) 17(1.01) 110(1.37) 0.252
Extremely preterm rate (<28 weeks) (n, %) 2(0.12) 14(0.17) 0.250
Birth weight (kg) 3.10 ± 0.62 3.10 ± 0.65 0.860
Low birth weight (n, %) 165(9.84) 817(10.14) 0.715
Very low birth weight (n, %) 11(0.66) 86(1.07) 0.123
Extremely low birth weight (n, %) 3(0.18) 11(0.14) 0.676
Ectopic pregnancy rate (n, %) 10(0.60) 47(0.58) 0.948
Fetal sex (n, %) 0.018
Female 433 (48.98) 1840 (44.62)
Male 451 (51.02) 2284 (55.38)