Table 3 Comparison of pregnancy outcomes in the first frozen embryo transfer

Endometrial preparation, n (%)

0.995

Natural cycles

1.9 (1/53)

2.0% (1/47)

Clomid-induced

11.5 (6/53)

10.0 (5/47)

Hormonal cycles

83.0 (44/53)

91.5 (43/47)

Endometrial thickness (day of trigger) (mm)

10.0 (8.6–11.0)

9.1 (8.5–10.4)

0.600

hCG test positive rate (%)

66.0 (35/53)

70.2 (33/47)

0.655

Clinical pregnancy rate (%)

58.5 (31/53)

59.6 (28/47)

0.912

Clinical miscarriage rate (%)

9.7 (3/31)

17.9 (5/28)

0.359

Ectopic pregnancy rate (%)

0 (0/35)

0 (0/33)

0

Live birth rate (%)

52.8 (28/53)

48.9 (23/47)

0.359