Table 1.
Developmental competence of B6CBAF1 oocytes retrieved after natural ovulation or ovarian hyperstimulation with PMSG and hCG
| Treatments | Methods of oocyte activation | No. of oocytes activated | No. (%)a of oocytes developing to | |||
|---|---|---|---|---|---|---|
| 2-cell | 4-cell | Morula | Blastocyst | |||
| None (natural mating) | Partheno genesis | 31 | 29 (94) | 27 (87) | 27 (87) | 23 (74) |
| IVF | 28 | 28 (100) | 27 (96) | 26 (93) | 23 (82) | |
| Hyperstimulation | Partheno genesis | 61 | 60 (98) | 56 (92) | 54 (89) | 44 (72) |
| IVF | 86 | 82 (95) | 80 (93) | 78 (91) | 65 (76) | |
Model effects of treatment that were indicated as p value were 0.4169, 0.5993, 0.8299 and 0.7066 in the number of oocytes developing to the 2- cell, 4-cell, morula and blastocyst stages, respectively.
a
Percentage of the number of oocytes cultured.
PMSG, pregnant mare serum gonadotrophin; hCG, human chorionic gonadotrophin; IVF, in vitro fertilization.