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Alcobendas SANITAS ASSISTED REPRODUCTION CENTRE

We have the most advanced techniques to help you get pregnant.

We have the most advanced techniques to help you get pregnant.

Oocyte donation

Oocyte donation can be used in cases in which they do not offer sufficient quality to achieve a pregnancy, they have been used up or when the woman carries a genetic or chromosome alteration.


Who can donate eggs?

Any woman aged between 18 and 35 years with a good state of physical and psychological health.

Access our Donors section to learn for about it.


Can the identity of the donor be known or can the donor know the identity of the woman to whom she has donated?

No, the donation of oocytes is anonymous as well as altruistic.


What treatment must the woman who is going to receive donor eggs undergo?

According to whether she has menstruations or not, the treatment can change but, in general, the endometrium is first prepared with estradiol tablets and then also with progesterone; both are the hormones which act naturally in the formation of an endometrium suitable for the implantation of an embryo.


Does this technique offer good pregnancy options?

Yes, it is the technique that generates the best results given that the oocytes come from healthy, young women.


What are the relevant legal aspects related to oocyte donation?

The legal regulation of the use of donor oocytes for reproductive purposes is found in the Assisted Reproduction Law (Ley de Reproducción Asistida) and its complementary regulations. Some relevant aspects of these regulations are the following:

  • The donation of oocytes is altruistic, voluntary and anonymous, and so the recipient is not permitted to provide or their donor.
  • The user of the technique and the children born from its application have the right to obtain general information on the donor which does not their identity.
  • Oocyte donors are of legal age and under 35, are accepted after the legally established studies have not revealed evidence of diseases that can be transmitted to offspring or the recipient of the oocytes.
  • The maximum number of pregnancies that can be obtained from the gametes of a single donor is six, including their children born by non-assisted reproduction.

Our donors not only comply with all the ments with respect to genetic studies as established in the law but also with the classic criteria established for the donor-recipient assignment (phenotypic characteristics), which is performed through genetic matching which minimises the probability of recessive genetic diseases in the future baby.

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