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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