Table 1.

Baseline characteristics of the patients

Baseline parameters	GnRH antagonist	GnRH agonist	P value
Female age (year)	33.6 (± 5.6)	33.7 (± 5.6)	0.74
BMI (kg/m2)	23.0 (± 3.8)	22.9 (± 3.7)	0.41
Basal FSH (IU/L)	7.4 (± 4.1)	6.8 (± 1.8)	0.07
Cause of infertility:
tubal factor	22	22
other female origin	5	5
male factor	35	35
both female and male factor	14	14
unknown origin	24	24
Total	100	100

BMI: body mass index; FSH: follicle stimulating hormone