Intracytoplasmic Sperm Injection (ICSI) is a procedure where a single sperm is injected into a single egg.
- Sperm parameters in a semen analysis are low
- Previous failed fertilization with standard insemination IVF
- Embryo biopsy required for genetic testing
- Long duration of unexplained infertility (> 3 years)
- Sperm is surgically extracted directly from the epididymis or testicle
- In the case of low egg numbers