Our egg (ova) donation programme is intended for women who, due to their age, genetic background, past surgery or disease, cannot conceive. There are numerous reasons for this, although it basically comes down to an ovarian dysfunction that produces bad quality eggs or perhaps none at all.
That is why it is important to have a supply of young eggs from someone of an optimum biological age, whose egg quality is good enough to obtain a healthy embryo that can be implanted into the recipient’s uterus and reduce all the inherent risks during the pregnancy to a minimum.
It is a simple procedure that consists in an initial medical consultation where a transvaginal ultrasound and then a transfer test are carried out. The results will confirm whether you can have the embryo implantation or not.
All the results from other tests and examinations carried out previously have to be provided, along with full details of the patient’s reproductive background, which includes any miscarriages, in vitro fertilisation, artificial insemination, etc.
Having gathered all the information together and assessed it, the attending physician will then decide what tests need to be repeated to get the best results possible. As we are located in the hospital these tests can be carried out straight away.
The male’s reproductive background also has to be evaluated by carrying out different tests (semen test, FISH of spermatozoa, DNA fragmentation, karyotypes and serologies). We recommend freezing semen for the ICSI (Intracytoplasmic sperm injection) as frozen semen samples produce the same results as fresh samples.
If the results of these tests are altered in any way, different treatment might then be suggested to improve the rate of fertilisation: MACS (Magnetic Activated Cell Sorting) PGD and other medical procedures.
Having completed this basic study (it only takes a day), the phenotype characteristics (morphology, development, biochemical properties, physiology and behaviour) are then determined to find the ideal donor. All the details of how the treatment is administered are provided in writing and any questions that the patient might have are answered. More information makes the procedures safer which is essential for the Reproduction Unit.
- Safety and reliability, as it is located within a hospital.
- Embryo transfer is guaranteed, but not the number of follicles or oocytes.
- No donors are shared.
- Transfer is mainly carried out in the blastocyst stage for a better selection of embryos and a better rate of implantation.
- In our freezing programme only 45-50% of all the embryos from the culture up to the blastocyst stage, that are thought to be suitable for implantation, are frozen. This reduces the costs of the ova donation procedure, as only the best embryos are frozen, given that it is impossible to assess their evolution on the 2nd or 3rd day.
- Logically both the donor and the recipient are completely anonymous.
- Donors are readily available, except for rare phenotypes.
- Biobank. The Reproduction Unit has pioneered the Biobank with these features.
We keep all the donor’s DNA samples in the Biobank just in case the DNA ever has to be analysed in the future to genetically evaluate the newborn baby (even though this is extremely rare) due to a disease or any other type of problem. In this way our procedures are more reliable and provide parents with peace of mind about the birth and the development of the newborn baby.
Anonymity — This study does not involve having the donor’s address, all we need is their genetic profile, in this way their privacy is respected.
Free — There is no charge for this service which includes keeping the recipient’s samples for an unlimited period of time.
Availability — An official medical report which is assessed by our geneticists is required before the sample can be used.