| In vivo matured oocytes | in vitro matured oocytes | ||||||
---|---|---|---|---|---|---|---|---|
FSH + hCG | FSH-priming | FSH + hCG | FSH-priming | |||||
Total matured oocytes, n | 77 | 20 | 142 | 195 | ||||
Rate and total numbers of 2-cell embryos from matured oocytes | 18% (14/77) | 0% (0/20) | 49% (70/142) | 44% (86/195) | ||||
Rate and total numbers of 8-cell embryos from matured oocyte | 6% (5/77) | 0% (0/20) | 21% (30/142) | 28% (54/195) | ||||
Total experiments, n | 20 | 6a | 20 | 18 | ||||
Operation type | OPU | OvH | OPU | OvH | OPU | OvH | OPU | OvH |
Number of experiments by operation type (OPU/OvH) | 16 | 4 | 4a | 2a | 16 | 4 | 12 | 6 |
Number of 8-cell embryos per experiment | 0.3 | 0.3 | 0 | 0 | 1.4 | 1.8 | 2.0 | 5.0 |