EMBRYO ADOPTION. EMBRYO DONATION
A simple, affordable reproduction option that provides excellent results, and involves adoption of an embryo which, when transferred to the future mother, leads to a pregnancy
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Embryo adoption entails adopting an embryo (the result of the union between an ova and a spermatozoon) which is then transferred to the adopting patient's uterus with the aim of achieving a pregnancy. The procedure gives patients the option of enjoying a pregnancy, childbirth, nursing and caring for a baby.
The embryos are obtained from dual donation (ova and spermatozoa) IVF treatment or from couples who have undergone assisted reproduction treatment and who, after having had children of their own, decide to donate their frozen embryos and help others to form a family.
As such, whilst every effort is made to assign embryos that are as compatible as possible in terms of blood group, Rh and phenotype, it is not as exact as in dual donation IVF treatment.
- When patients want a simpler reproduction treatment option.
- When other courses of reproduction treatment have failed.
- In cases of premature ovarian failure, menopause or when the patient does not respond to ovarian stimulation.
- When, for ethical reasons, patients wish to adopt but also want to enjoy the experience of pregnancy, childbirth and nursing.
- It is also an option for women who do not have a male partner or who are in a same-sex relationship.
Most embryos for embryo adoption are the result of double donation treatment. It takes around six to eight weeks to complete the course of treatment.
The recipient mother only needs to get ready for endometrial receptivity. The treatment needed in order to prepare the mother's uterus is very simple and involves administration of some oral tablets or oestrogen patches up until transfer, followed by vaginal progesterone tablets. The procedure usually only requires an ultrasound scan beforehand and this decreases both the number of necessary appointments and the cost.
The advantages of embryo adoption
It is less expensive than other forms of treatment. Another of its advantages is that the quantity of medication that the patient needs to take is smaller. The recipient mother only needs to undergo appropriate endometrium preparation in order to get ready for transfer. The treatment is simple and painless. It consists of oestrogen patches or oral tablets and vaginal progesterone tablets (the patient needs to continue taking this medication for the first few weeks of pregnancy).
Since only one embryo is transferred, this reduces the risk of a multiple pregnancy and the associated risks for the mother.
Transfer of a blastocyst
The embryo is always transferred during blastocyst stage (day 5-6 of development). As such, its capacity to implant is good in comparison with younger embryos.
Safety and efficiency: over 600- 2500 illnesses ruled out
When embryos are the result of dual gamete donation, we have the assurance and peace of mind of the rigorous procedures that all our gamete donors go through before they are accepted. They include:
- Strict gynaecological, physical and health check-ups. A background of neurological and psychiatric disorders, endocrinology, digestive and oncology diseases, blood-related pathologies and so on in donors and donors’ families are ruled out.
- A psychological check performed by a clinical psychologist, taking the donor’s social and psychological condition into account.
- Genetic and infectious disease screening:
- GCT: analysis of the 600 or 2500 most common hereditary disorders, depending on the modality.
- Karyotype, cystic fibrosis, thalassaemia, fragile X.
- Sexually transmitted diseases and serologies.
In cases of dual donation embryo adoption treatment, we store the gamete donors’ DNA at Instituto Bernabeu for the following 20 years. This is very useful if genetics analyses need to be performed when there is a suspicion that the child may have an illness of some kind.
It is the simplest and most effective course of treatment for patients with reproduction issues
Embryo adoption is the most simple treatment option and couples generally choose either this or double donation treatment when other procedures have failed. In many cases, such as when women have pathologies including premature ovarian failure, menopause or a failure to respond to ovarian stimulation, or indeed if the male partner has fertility issues, it is the woman’s chance to have children. It is also an option for women who wish to experience motherhood alone, for lesbian couples and for women who wish to adopt whilst also enjoying the experience of pregnancy.
|PERCENTAGE OF PREGNANCIES ACHIEVED AFTER ADOPTED FROZEN EMBRYO TREATMENT||