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Embryo freezing

We offer embryo freezing and storage by vitrification, the most advanced freezing process available which improves the chance of embryos surviving.

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Is embryo freezing for me?

If you are not ready to have a baby now but want the option to try later in life, an embryo freezing cycle may be a good option.

Success rates following embryo freezing are comparable with a normal IVF cycle and higher than egg freezing, so we would recommend this option if you want to have a baby with your current partner, or if you are happy to use donor sperm.

You can also freeze embryos that are left over after your IVF or ICSI treatment cycle, which means you don’t need to go through the egg collection procedure if you want to try fertility treatment again in the future.

What does embryo freezing cost? 

A full embryo freezing treatment cycle usually costs £3,600.

There will be additional costs for the aspects of the cycle that need to be tailored specifically to you, such as medication. Read more here.

What does embryo freezing involve?

Stimulation and monitoring

Embryo freezing cycles begin with you taking hormonal injections to help your body develop a relatively high number of mature eggs during your menstrual cycle. Monitoring scans and blood tests are carried out throughout your cycle so we can track how your body is responding.

Egg collection

When your body is ready, you will be given ‘trigger’ medication that causes you to be ready to ovulate. Your mature eggs will be collected by a doctor during a short procedure called ‘egg collection’.


Your eggs and you partner or donor’s sperm are prepared in our laboratory, then put together in a petri dish.  As in natural conception, once your eggs have been exposed to the sperm, many will attach themselves to the egg and one sperm will usually enter it. This is called fertilization and it creates an embryo.  The embryos are cultured in our laboratory under specialised conditions, which mimic the natural environment in the fallopian tubes. We always aim to culture the embryos for five days, at which time they reach ‘blastocyst’ stage and have a greater chance of resulting in a live birth.

Freezing and storage

We drain the excess fluid from your embryos using a very precise, state-of-the-art laser and then freeze them by vitrification. They are then stored in nitrogen in our cryogenic storage bank until you are ready to use them in the future.

At around the same time your partner is having her egg collection procedure, you will visit our dedicated men’s room to produce a sperm sample that will be used to fertilise her eggs. Once the sample is ready it will be taken into a laboratory and ‘washed’ to remove excess materials, and then put together in a petri dish with her eggs and left to fertilise before the freezing stage.

Loyalty programme

Receive 10% off your second cycle

Our loyalty programme is designed to help reduce costs in the event that you choose to have a second cycle.

Some people have more than one cycle as this allows you to freeze a higher number of eggs or embryos and may improve your chances of having a baby in the future.

Terms and condtions apply. Read more here.