Intracytoplasmic Sperm Injection (ICSI) is a procedure where a single sperm is injected into a single egg.


  1. Sperm parameters in a semen analysis are low
  2. Previous failed fertilization with standard insemination IVF
  3. Embryo biopsy required for genetic testing
  4. Long duration of unexplained infertility (> 3 years)
  5. Sperm is surgically extracted directly from the epididymis or testicle
  6. In the case of low egg numbers