Frequently Asked Questions on Intra-Cytoplasmic Sperm Injection (ICSI)

What is ICSI?

ICSI stands for intra-cytoplasmic sperm injection. This refers to when the sperm is directly injected into the egg, rather than the sperm and egg being put in a dish to spontaneously fertilise.

For more information, visit ICSI

Who is ICSI suitable for?

ICSI is generally used for patients where there is a male infertility factor or fertilisation problems.

Do you do PICSI?

Yes, we perform PICSI (Physiological Intracytoplasmic Sperm Injection). This technology allows embryologists to select the most suitable sperm to inject into the egg. The sperm can be tested to see how well it binds to Hyaluronan (HA), which is a naturally occurring substance on the surface of the egg. HA can be coated onto a dish, and the embryology team will chose sperm that bind to it. It has been shown that these sperm are more likely to be mature, mobile and healthy. 


Dr Ippokratis Sarris
Lead Consultant London

Dr Ippokratis Sarris

MA(Cantab) BMBCh(Oxon) DFSRH MRCOG DM Dr Ippokratis Sarris  is a Consultant in Gynaecology, Reproductive Medicine and Surgery. He graduated from Trinity College, Cambridge, in 1999 an....

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