Table 4 Logistic regression analysis to identify covariates independently associated with the clinical pregnancy

Age

-0.054

0.947 (0.891 − 1.007)

0.082

AFC

0.032

1.033 (0.989 − 1.078)

0.147

No. of embryos transferred

0.550

1.734 (0.975 − 3.083)

0.061

Blastocysts transfer

NO

Ref.

YES

0.587

1.798 (0.990 − 3.266)

0.054

Good quality embryo transfer

NO

Ref.

YES

0.010

1.010 (0.554 − 1.842)

0.974

EMBLB on the endometrial transformation day

< 5

Ref.

≥ 5

0.184

1.202 (0.595 − 2.428)

0.608

EMBLB on the day before embryo transfer

< 5

Ref.

≥ 5

1.099

3.001 (1.448 − 6.219)

0.003

Change in EMBLB

N-Change

Ref.

Increment

0.497

1.643 (0.650 − 4.151)

0.294