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What does it involve?


This technique is recommended when the sterility factor is caused by problems arising when the patient’s eggs are scarce and/or of low quality. This may have different causes:

  • Congenital or acquired absence of ovaries
  • Premature menopause
  • Chromosomal abnormalities passed on to descendants
  • Lack of ovarian stimulation
  • Recurrent IVF failure
  • Recurrent miscarriages

In Spain, the Law authorises this technique, which is anonymous and altruistic.

Selection of donors

Donors are healthy women of 18 to 35 years of age who wish to help other women to become mothers. All candidates are previously subject to different medical tests to evaluate their health. If the results are optimal, the candidate is accepted as a donor.

The eggs obtained from the donor are inseminated with semen from the recipient patient’s partner in order to obtain the embryos, which are transferred to the recipient’s uterus.

Prior to this transfer, the patient must receive mild hormonal treatment in order to prepare the uterus and facilitate implantation.