| Table 2. Cycle characteristics for oocyte donors and recipients. | |||
| Donors (n=290) | Recipients (n=296) | p | |
|---|---|---|---|
| Gonadotropin type, n (%) HP-FSH rFSH hMG rFSH+hMG |
18 (6.3) 132 (45.5) 33 (11.5) 107 (37.7) |
NA NA NA NA |
|
| Stimulation protocol, n (%) Antagonist Agonist |
210 (72.4) 80 (27.6) |
NA |
|
| Oocyte aspirated, median (25th-75th) | 14 (10-21) | NA | |
| Oocytes mature, median (25th-75th) | 11 (8-16) | NA | |
| Oocytes mature after donation/reception, median (25th-75th) | 6 (4-8) | 5 (3-7) | |
| Oocyte fertilized, median (25th-75th) | 4 (3-6) | 4 (3.6) | 0.953† |
| Endometrial thickness (mm), mean±SD | 11.0±2.0 | 10.2±1.9 | <0.001* |
| Sperm origin, n (%) Ejaculated Not ejaculated -Bank -PESA -TESA |
242 (83.4) 16 (5.5) 14 (4.8) 18 (6.2) |
281 (94.9) 7 (2.4) 4 (1.3) 4 (1.3) |
<0.001‡ 0.095‡ |
| Fertilization rate, mean±SD | 72.0±21.4 | 74.6±24.2 | <0.001* |
| Good quality D3 embryo, median (25th-75th) | 2 (2-3) | 2 (2-4) | 0.446† |
| D5 blastocyst, median (25th-75th) | 3(2-4) | 3(2-4) | 0.128† |
FSH. follicle-stimulating hormone; HP-FSH. Highly purified FSH; rFSH. Recombinant FSH; hMG. human menopausal gonadotropin; PESA. Percutaneous epididymal sperm aspiration; TESA. testicular sperm extraction. D3. Day 3 of embryo development; D5 Day 5 of embryo development.
*Student t-test; ‡Mann-Whitney U test; †Pearson chi-square test.