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Table 3 Reproductive outcomes calculated per fresh ET cycle

From: Reproductive outcomes in women with unicornuate uterus undergoing in vitro fertilization: a nested case-control retrospective study

  Unicornuate uterus Control OR (95% CI) p-value
n = 342 women n = 1026 women   
Cleavage day-3 ET cycles, n 223 993   
 Embryos per transfer, mean ± SD 1.87 ± 0.49 1.93 ± 0.46   p = 0.123
 Implantation rate, % (n) 23.7% (99/418) 28.0% (535/1914) 0.847 (0.703–1.021) p = 0.073
 Clinical pregnancy rate, % (n) 35.9% (80/223) 43.9% (436/993) 0.817 (0.676–0.987) p = 0.028
 Miscarriage rate, % (n) 25.0% (20/80) 19.7% (86/436) 1.267 (0.829–1.937) p = 0.283
 Live birth rate, % (n) 26.9% (60/223) 35.2% (350/993) 0.763 (0.605–0.963) p = 0.017
 Multiple live birth rate, % (n) 4.9% (11/223) 9.7% (96/993) 0.510 (0.278–0.936) p = 0.024
Blastocyst ET cycles, n 59 25   
 Embryos per transfer, mean ± SD 1.07 ± 0.25 1.16 ± 0.37   p = 0.192
 Implantation rate, % (n) 34.9% (22/63) 34.5% (10/29) 1.013 (0.553–1.853) p = 0.967
 Clinical pregnancy, % (n) 37.3% (22/59) 40.0% (10/25) 0.932 (0.520–1.670) p = 0.815
 Miscarriage rate, % (n) 18.2% (4/22) 20.0% (2/10) 0.909 (0.198–4.173) p = 0.903
 Live birth rate, % (n) 30.5% (18/59) 32.0% (8/25) 0.953 (0.479–1.899) p = 0.892
 Multiple live birth rate, % (n) 3.4% (2/59) 0 0.966 (0.921–1.013) p = 0.351
  1. ET embryo transfer, CI confidence interval, OR odds ratio