Table 1.

Clinical characteristics of patients receiving rLH from day 1 (early LH group) or from day 7 (late LH group) of ovarian stimulation for IVF

	Early LH	Late LH	p
Patients	264	266
Age(years)	39.4 ± 3.8	39.2 ± 4.1	ns
Body Mass Index	22.6 ± 3.7	22.3 ± 3.8	ns
Antral follicle count	5.4 ± 2.8	5.0 ± 2.6	ns
day 3 FSH (U/L)	13.3 ± 3.1	13.7 ± 3.5	ns
Total Gonadotropin dose in the previous IVF cycle (IU)	6202 ± 955	6398 ± 1044	ns
Retrieved oocytes / OPU in the previous IVF cycle	4.0 ± 2.9	3.8 ± 2.8	ns