Egg Freezing in London

Freezing your eggs is one of the most empowering decisions you can make about your future. Whether you’re not yet in the right relationship, focused on your career, or facing a medical situation that may affect your fertility, egg freezing gives you the option to preserve your reproductive potential until the time is right.

At Aria Fertility, our egg freezing programme is led by experienced consultants and embryologists who understand that this is a deeply personal decision. We will give you honest, tailored guidance so you can make the choice that is right for you.

Whatever your reason – whether personal, professional or medical – this is your decision, and we’ll support you.

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Our Guide to Egg Freezing

What is Egg Freezing? Am I suitable? The process Why choose Aria Egg Freezing Pricing Egg Freezing FAQs Book your consultation

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The Egg Freezing Process

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What is egg freezing?

Egg freezing, also known as oocyte cryopreservation, is the process of stimulating the ovaries to produce multiple eggs, collecting those eggs, and freezing them for potential future use.

The eggs are frozen using a technique called vitrification – an ultra-rapid freezing process that prevents ice crystal formation and preserves egg quality extremely effectively.

When you are ready to use your frozen eggs, they are thawed, fertilised with sperm (your partner’s or a donor’s) and the resulting embryo is transferred back into your uterus.

Why egg quality and age matter

At birth, women already have all the eggs they will ever have. As we age, both the number and quality of eggs decline. The most significant drop in egg quality occurs after the age of 35.

Freezing your eggs in your late 20s or early 30s preserves them at their youngest, healthiest state. Many women who freeze their eggs at this stage go on to conceive naturally, but having their eggs stored can provide enormous reassurance.

How many eggs do I need to freeze?

There is no single right answer, as it depends on your age, the number of eggs collected per cycle, and how many children you ultimately hope to have. At Aria, your consultant will discuss whether a single cycle is likely sufficient or a multi-cycle package would be more appropriate for your situation.

Egg Freezing at Aria: step by step

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Consultation

You will meet with one of our consultants to discuss your reasons for freezing your eggs and to assess your health and fertility. We will arrange an AMH blood test and an antral follicle count scan to assess your ovarian reserve and provide an honest estimate of how many eggs you might produce.

Preparation and consent

One of our specialist nurses will walk you through the medications you will need, how to inject them, and all the consent paperwork. We take care to make sure you feel confident and well prepared.

Ovarian stimulation

You will self-inject hormone medication for approximately 10–14 days to stimulate your ovaries to produce multiple eggs. We monitor your progress with two to three ultrasound scans and adjust your medication if needed.

Trigger injection

When your follicles reach the right size, a trigger injection is given to finalise egg maturation. Egg collection is scheduled for 36–38 hours later.

Egg collection

Eggs are collected under intravenous sedation in a procedure lasting 20–30 minutes. You will feel no pain. Most patients go home within an hour and can return to light activities the following day.

Assessment and freezing

Our embryologists assess each egg for maturity. Mature eggs are frozen immediately using vitrification. You will be told how many eggs have been frozen.

Storage

Your eggs are stored securely at Aria. You can keep them frozen for up to 55 years (subject to HFEA regulations and annual consent renewal).

Using your frozen eggs in the future

When you are ready, your frozen eggs are thawed and fertilised – usually using ICSI – to create embryos. The best embryo is transferred to your uterus in a frozen embryo transfer (FET) cycle. Our team will be with you every step of the way at this stage, just as they were during egg freezing.

Why choose Aria for Egg Freezing?

Aria was founded by fertility professionals, which means every decision is driven by what is best for patients. You will have a dedicated consultant overseeing your care, supported by our team of highly experienced embryologists and nurses, to ensure you receive personalised, compassionate care.

Our laboratory was one of the first in the UK to use AI-assisted embryo selection, and our single-embryo transfer rate and multiple-pregnancy rate (currently 3.7%) reflect our commitment to safe, evidence-based care. We are regulated by the Human Fertilisation and Embryology Authority (HFEA) and publish our results transparently.

Our Marylebone clinic offers a calm, unhurried environment and personalised support from the first appointment to the final outcome.

How much does Egg Freezing cost at Aria?

IVF is a significant financial commitment, and we believe in being transparent about what that means from the outset.

Costs vary depending on your individual treatment plan, the investigations required, and whether additional procedures such as ICSI, embryo freezing, or genetic testing are recommended. When comparing prices between clinics, it’s worth ensuring you have a full breakdown of all components – consultation fees, monitoring scans, medication, and laboratory costs can vary considerably and are not always included in headline figures.

At Aria, we will discuss the expected costs during your initial consultation and provide you with a fully costed treatment plan before we start, so there are no surprises along the way.

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Egg Freezing FAQs

The questions below are intended to give you a clear and honest overview. For advice specific to your situation, we always recommend booking a consultation with one of our team.

What is egg freezing and how does it work?

Egg freezing involves stimulating the ovaries with hormone injections to produce multiple eggs, collecting those eggs under sedation, and freezing them using a technique called vitrification. The eggs can be stored for years and used when you are ready to try to conceive.

Am I suitable for egg freezing?

Egg freezing is suitable for healthy women who wish to preserve their fertility for personal or medical reasons. A consultation including an ovarian reserve assessment will tell you how many eggs you might expect to produce and whether egg freezing is a realistic option for you.

What is the best age to freeze eggs?

The younger the eggs when frozen, the better. Freezing before 35 is generally considered optimal. Women in their late 30s can still benefit, but egg quality and numbers tend to decline more rapidly after 35, so earlier is better where possible.

How long does the egg freezing process take?

From your first consultation to egg collection, the process takes approximately four to six weeks. The stimulation phase itself is around 10–14 days, followed by egg collection. You can normally resume work and normal activities within a day or two of collection.

Does egg freezing affect my future fertility?

The process of egg freezing does not impact your ability to conceive later in life. It simply preserves the eggs that would have been lost during your menstrual cycle. It doesn’t affect the quality of your remaining eggs, nor does it prevent you from ovulating naturally after the procedure.

How successful is egg freezing?

The chance of a live birth from frozen eggs depends on the number and quality of eggs frozen, and the age at which they were frozen. Your consultant will give you a realistic, personalised estimate. As a general guide, eggs frozen under 35 have the highest chance of leading to a live birth when used.

How are the eggs stored?

Eggs are stored in liquid nitrogen at Aria’s licensed storage facility. HFEA regulations now allow eggs to be stored for up to 55 years. To continue storing your eggs to this limit, you must formally renew your consent with Aria at least once every 10 years.

Can I freeze my eggs for medical reasons?

Yes. Women facing treatments that may affect their fertility – such as chemotherapy, radiotherapy or certain gynaecological surgeries – may be eligible for NHS-funded egg freezing. Even where NHS funding is not available, Aria can help you move quickly to preserve your fertility before treatment begins.

Can I freeze embryos instead of eggs?

If you have a partner or are happy to use donor sperm now, embryo freezing can be an option. Embryos are generally considered more stable than unfertilised eggs during storage. Your consultant can discuss the pros and cons of each option for your situation.

What happens to my eggs if I no longer want to use them?

If you decide not to use your frozen eggs, you have several options: you can allow them to perish, donate them to another patient, or donate them for research. These choices are covered in the consent process, which you can update at any time.

Where is Aria Fertility?

We are located at 8 Welbeck Way, Marylebone, London W1G 9YL – a short walk from Bond Street Underground station. The clinic is deliberately discreet and calm, situated in a quiet mews in the heart of London’s medical district.

Your next step

When you are ready and the time is right for you, the next step is to contact us, and we will help you arrange a face-to-face, telephone or video-call introduction with one of our consultants.

You can do this by filling in the contact form below or by calling one of our friendly team members on +44 (0) 203 263 6025.

We really look forward to getting to know you and helping guide you toward your next steps toward your dream family.