Table 3: Characteristics from OHSS cycles when fresh embryos were transferred or all of the embryos were cryopreserved
Cycles’ Characteristics	Freeze-all	Fresh embryo transfer	P
Number of cycles	123	153
Number of patients	114	141
Patient´s age	32.6 ± 2,8	33.4 ± 2.9	0.431
Estradiol level (E2) on trigger day	4543± 2232	3326 ± 1657	0.003
Total dose of FSH for COS	2147 ± 606	2298 ± 756	0.456
Aspirated follicles	38.3 ± 14,7	37.9 ± 6.9	0.645
Retrieved oocytes	28.2 ± 10,9	27.4 ± 11.2	0.352
Retrieved oocytes rate	73.5%	73.1%	0.652
MII number	20.8 ± 8,0	20.4 ± 6.7	0.546
MII rate	73.8%	74.5%	0.336
Normal fertilization rate	80.7%	77.7%	0.451
Number of cryopreserved embryos	9.3 ± 4.6	5.2 ± 3.1	<0.0001