Table 3.

Clinical outcomes of FETs with storage duration greater than 3 years.

Storage duration (years)	Storage duration (months)	No. of FET cycles	No. of embryos transferred	No. of good quality embryos transferred	Implantation rate	Clinical pregnancy rate	Live birth rate
3-4	37-48	43	1.77 ± 0.68	1.40 ± 0.54	33/76 (43.4%)	23 (53.5%)	17 (39.5%)
4-5	49-60	18	1.50 ± 0.62	1.22 ± 0.43	7/27 (25.9%)	6 (33.3%)	4 (22.2%)
5-7	61-84	15	1.80 ± 0.56	1.47 ± 0.52	11/27 (40.7%)	10 (66.7%)	9 (60.0%)
7-10	85-120	6	2.50 ± 0.84	1.83 ± 0.75	0/15 (0.0%)	0 (0.0%)	0 (0.0%)

Data are mean ± SD or n/N (%).