Assisted reproduction techniques

Embryo donation

Embryo donation is an assisted reproduction technique that allows a woman to become pregnant thanks to embryos which have been legally donated by previous patients.

Donated embryos come from patients who still have frozen embryos from a previous in vitro fertilisation cycle and authorise their donation, since they already fulfilled their dream of becoming parents.

Embryo donation is a technique indicated for women who cannot become pregnant with their own embryos, in other words, women who cannot provide viable embryos due to their or their partner’s sterility.

Embryo donation - Infographic

Embryo donation, STEP BY STEP

  • Preparation of the endometrium. Simple hormone treatment to make the womb, and more specifically the mucosa covering it, the endometrium, very receptive so that the embryo can be implanted with the best chance.
  • Devitrification of embryos. Donated embryos are always vitrified, in other words, frozen. Therefore, the next step is embryo thawing. Thawed embryos are cultured in the laboratory for several hours to ensure their correct development.
  • Frozen embryo transfer. It is a short (a few minutes), painless procedure and does not need any type of anaesthesia. With the help of an embryo transfer catheter, the embryo is placed inside the uterus.

Step by step infographic

Complementary techniques

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