Table II. Results of the study.

	Antagonist	Agonist	p-value
Number of oocyte pick-up	74	79	NS
Cancellation rate	7.5 %	1.2 %	NS
Mean duration of stimulation (days)	10.9	10.2	NS
Mean dosage of rFSH needed (IU)	1897	1655	P = 0.02
Mean Oestradiol levels (pg/ml)	1087	2457	P < 0.01
Mean number of oocytes	11.0	11.2	NS
Mean number of embryos	6.5	6.3	NS
Fertilization rate	59%	56%	NS
Mean number embryos/transfer	1.2	1.2	NS
Positive hCG	37 %	39 %	NS
Implantation rate	22 %	22 %	NS
Ongoing pregnancy rate	21 %	20 %	NS
Live Birth Rate	19%	20%	NS
Mean number of embryos cryopreserved	3.5	3.6	NS

NS = Not statistically significantly different.