Table 1.
Fertility preservation options for breast cancer patients
| Option | |||
|---|---|---|---|
| Oocyte freezing | Embryo freezing | Ovarian tissue freezing | |
| Method | Ovarian puncture | Ovarian puncture | Laparoscopic surgery |
| Depending on menstruation | Yes | Yes | No |
| Delay of cancer treatment | 3–4 weeks | 3–4 weeks | Several days |
| Follicle stimulation | Necessary | Necessary | Unnecessary |
| Number of preservation eggs | 1–10 | 1–10 | Many |
| Partner sperm | Unnecessary | Necessary | Unnecessary |
| IVF-ET | Necessary | Necessary | Unnecessary |
| Implantation of cancer cell | No | No | Yes |
| Success rate | 10–30 % | 10–40 % | Unestimated |
IVF-ET in vitro fertilization and embryo transfer