Table 5.

Logistic Regression Of Pregnancy Outcome In FET Cycles

Baseline Parameter	Category	aOR (95% CI)	P-Value
Age (years)	per year increased	0.83(0.71–0.93)	<0.001
BMI (kg/m2)	per kg/m2 increased	0.75(0.22–2.26)	0.61
Number of previous attempts	per time increased	0.79(0.67–0.96)	<0.001
Hormones at time of hCG injection
FSH (IU/L)	per IU/L increased	0.97(0.82–1.83)	0.63
LH (IU/L)	per IU/L increased	1.01(0.83–1.79)	0.56
E2 (pg/mL)	per pg/mL increased	0.72(0.45–0.82)	0.03
Progesterone (ng/mL)	per ng/mL increased	0.97(0.78–1.54)	0.94
Endometrial thickness (mm)	per mm increased	1.12(1.03–1.16)	<0.001
Type of stimulation protocol
	letrozole vs HMG	1.56(1.21–2.02)	<0.001
	HMG vs letrozole+HMG	1.42(1.24–1.62)	<0.001
	letrozole vs letrozole+HMG	1.16(0.83–1.34)	0.45

Notes: Analyses were adjusted for maternal age, maternal BMI, infertility causes, fertilization method, number of embryo transferred, and embryo quality. Bold values represent statistical significance.

Abbreviation: aOR, adjusted odd ratio