TABLE 1.

Clinical baseline.

Demographics	GnRH antagonist group (n = 69)	GnRH agonist group (n = 192)	P-value
Female age, years	34.9 ± 5.1	33.8 ± 4.6	0.07
BMI, kg/m2	21.8 ± 2.7	21.8 ± 2.8	0.64
Primary infertility, n (%)	25 (36.2)	64 (33.3)	0.66
Duration of infertility, years	2.7 ± 2.3	3.7 ± 2.8	0.001
AMH, ng/ml	2.7 ± 2.3	3.4 ± 2.7	0.07
Basal FSH, IU/L	8.7 ± 4.7	8.3 ± 3.9	0.39
Antral follicle count	9 ± 7	11 ± 4	0.54
Endometrium thickness on triggering day, mm	6.6 ± 0.9	6.7 ± 0.7	0.86
Estradiol on triggering day, pg/mL	1983 ± 1294	2333 ± 1302	0.04
Progesterone on triggering day, ng/mL	1.02 ± 0.85	0.85 ± 0.34	0.86
Infertility factors
Tubal factor, n (%)	31 (44.9)	72 (37.5)	0.28
Endometriosis, n (%)	2 (2.9)	9 (4.7)
Polycystic ovarian syndrome, n (%)	4 (5.8)	8 (4.2)
Decreased ovarian reserve, n (%)	5 (7.2)	6 (3.1)
Male factor, n (%)	2 (2.9)	13 (6.8)
Combined factors, n (%)	15 (21.7)	63 (32.8)
Unexplained factors, n (%)	10 (14.5)	21 (10.9)