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Intra-Cytoplasmic Sperm Injection (ICSI)

Intra-Cytoplasmic Sperm Injection or ICSI as it's better known is a specialised laboratory technique that has revolutionised treatment for fertilisation problems, and in particular, male factor infertility, since its introduction in 1992.

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If you would like more information about ICSI then you can speak to one of our patient support team now.

Call us 0333 240 7300

What does ICSI involve?

The ICSI procedure is performed in the lab, after the egg collection. ICSI involves the injection of a single sperm into the fluid contents of the egg cell, called cytoplasm. A glass pipette, which is finer than a human hair, is used to collect a single sperm and inject it into the egg. The fertilised embryo(s) is then transferred to the women’s womb. Other than this element in the lab, your experience of treatment is the same as that of patients undergoing IVF.

Who is ICSI suitable for?

This type of fertility treatment is particularly suitable for couples who have a male factor infertility problem such as:

  • low sperm count
  • the sperm has morphology or motility issues
  • the sperm needs to be surgically collected for example the male has had a vasectomy
The ICSI procedure

What are ICSI success rates?

ICSI itself is very successful at helping the sperm and the egg to fertilise, success rates tend to be very similar to conventional IVF. On average, around 70-75% of eggs fertilise with the ICSI procedure.

However, as with all IVF treatment there are still many other factors affecting a successful pregnancy, including the age of the woman and whether she has any fertility issues herself.

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What are the advantages of ICSI?

Improved fertilisation
Improved fertilisation

Fertilisation is possible even with very low numbers of sperm. ICSI has a fertilisation rate of around 70%.

Male factor infertility
Male factor infertility

ICSI is effective for several different types of sperm problems.

Widely used technique
Widely used technique

It is a widely used technique.

Starting Your Journey

The first step to starting treatment with us is to book an Initial Consultation and Scan appointment with one of our experienced IVF consultants. 

Book appointment What to Expect

Initial Consultation & Scan

Want to know more about ICSI?

Get in touch with us to discuss any further questions or to book an appointment.

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To request more information

Speak to our experienced team
0333 240 7300

Lines open 8am - 6pm Monday to Friday.

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With one of our fertility experts