Table 1.

General parameters of 915 of oocyte donation cycles

Parameter	Mean ± sem	Range
Donors age (yr)	25.03 ± 0.15	18–36
Recipients’ age (yr)	38.26 ± 0.17	22–52
Recipients’ BMI	24.22 ± 0.22	17.53–37.64
Men’s age (yr)	39.10 ± 0.20	21–61
Fertilization rate (%)	82.71 ± 0.59	25–100
Mean number of blastomers	5.63 ± 0.07	2–10
Mean rate of fragmentation (%)	10.45 ± 0.29	0–58
Pregnancy rate (%)	50.27
Implantation rate (%)	29.18 ± 1.12	0–100
No. of embryonic sacs	1.48 ± 0.03	1–4
Miscarriage rate (%)	20.43