Table 2. Comparison of ovum pick-up (OPU)- in vitro embryo production (IVEP) outcomes with and without superstimulation in Hanwoo cows segmented by plasma AMH level1).
| Control group2) | Superstimulated group | High AMH ≥ 70% | Medium 40% < AMH < 70% | Low AMH ≤ 40% | |
|---|---|---|---|---|---|
| AMH (pg/mL) | 806.1 ± 16.6 | 826.8 ± 172.4 | 1,484.8 ± 129.2 | 775.5 ± 39.0 | 371.6 ± 17.8 |
| AFC (n) | 14.1 ± 1.9 | 17.9 ± 1.3 | 23.4 ± 2.2 | 21.2 ± 1.8 | 11.4 ± 0.8 |
| COCs (n) | 9.5 ± 1.6 | 12.8 ± 1.0 | 18.9 ± 1.8 | 13.2 ± 1.0 | 7.9 ± 0.5 |
| TE (n) | 4.1 ± 0.9 | 5.4 ± 0.6 | 7.4 ± 1.2 | 6.9 ± 1.1 | 2.9 ± 0.3 |
| TE rate (%) | 40.0 ± 4.5 | 41.3 ± 2.6 | 36.8 ± 4.1 | 51.1 ± 5.7 | 36.8 ± 3.0 |
1)
Values are presented as means ± SEM.
2)
Control group (non-superstimulated) (n = 12), Superstimulated group (n = 30).
AMH, anti-Müllerian hormone; AFC, antral follicle count; COCs, cumulus–oocyte complexes; TE, transferable embryo.