Egg sharing

Egg sharing allows patients who have a normal ovarian reserve (see A-Z of Fertility) to have IVF/ICSI treatment, and in the process donate some of their eggs to someone who doesn’t produce good quality eggs of their own. If you choose to share your eggs, you’re choosing to donate some of your eggs to another woman. You receive your own treatment at a discount and are helping someone else achieve their dream of starting or growing their family.

Types of egg sharer

There are two types of egg sharer:

  • Altruistic egg sharers (who give some of their eggs to someone they don’t know)
  • Known egg donors (who give some of their eggs to someone they know who needs them in a cycle of their own)

Who can be an egg-sharing donor at Oxford Fertility?

To be an egg-sharing donor at Oxford Fertility, you must:

  • be less than 35 years of age (i.e. treatment cycle must finish before the 35th birthday)
  • have an AMH value of at least ≥15.0 pmol/L (showing a good ovarian reserve)
  • have body mass index of less than 30
  • be a non-smoker
  • test negative for various infectious diseases and have a normal genetic analysis
  • have an approved medical and family history

If you are interested in becoming an egg sharing donor, please contact the clinic on 01865 782 800.

Specific requirements for egg-sharing donors

The aim is to donate a minimum of 4 eggs to the person receiving your eggs. The recipient can receive your eggs either fresh or the eggs can be “vitrified” (frozen) to be used at a later date. The eggs are shared between you (the egg-sharing donor) and the recipient. The number you each receive depends on how many eggs are available.

Your commitment as an egg sharer

As the egg-sharing donor – whether you know the recipient or you are donating altruistically – you make a formal commitment to share a number of your eggs, depending on how many we collect. If you decide to keep all your eggs, you are liable for the full treatment costs of a standard cycle.

NB. Both you and the recipient should be aware that you as the donor are free to withdraw consent to donate your eggs, or to transfer embryos derived from those eggs, at any time up until they are transferred to the recipient.

How the eggs are shared

It’s our policy to try to ensure that your chances of pregnancy are not reduced by donating some of your eggs. As long as the egg-sharing donor retains at least 4 eggs for her own use, our data shows that the donor has no reduction in her expected chances of pregnancy in her fresh treatment cycle.

The eggs are divided equally and in the event of an odd number of eggs the extra egg will go to the donor.

What if, as an egg-sharing donor, I don’t produce sufficient eggs?

If less than 8 eggs are collected, you can keep them all, and continue with rest of your treatment. We  would advise against further treatment as an egg sharer.

Oxford Fertility will let the recipient know that the donation isn’t going ahead. You proceed with your own treatment at a reduced cost.


You need to undergo some screening tests to make sure there’s no reason why you can’t be an egg sharing donor. You can learn more about the types of test on the Fertility Assessment page, or call the clinic for more information.

If you are interested in becoming an egg sharing donor, please contact the clinic on 01865 782 800.