ICSI stands for Intracytoplasmic Sperm Injection that is designed for males, who are suffering from male infertility due to low sperm count. The second technique, that is viable for sperm collection is IVF. This is known as In-Vitro Fertilization; this procedure is not only designed for sperm retrieval, but also for female infertility. If you are a female suffering from infertility due to certain factors such as blocked fallopian tubes, ovarian problems, and so on. In addition to this, both these procedures are valuable for the sperm retrieval process.