Egg Donation

EGG DONATION TREATMENT

Egg donation is the assisted-reproduction technique in which in vitro fertilization is carried out using egg cells from a donor.


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    EGG DONATION TREATMENT

    Egg donation is the assisted-reproduction technique in which in vitro fertilization is carried out using egg cells from a donor.

    IVF with donor eggs

    IVF with donor eggs

    IVF treatment with donor eggs is one of the assisted-reproduction techniques with better results. The team at the Juana Crespo Clinic has one of the highest success rates in Europe thanks to the quality of our egg donation programs and to the very rigorous, customized techniques for preparation of the endometrium utilized by our specialist. Our donors are young women in perfect health whom we look after by providing them with the same quality of healthcare that we offer our patients.

    WHAT IS EGG DONATION?

    WHAT IS EGG DONATION?

    In egg donation, an anonymous egg donor provides her eggs so that they can be fertilized with the sperm of the male partner in the couple. The embryos resulting from this fertilization are transferred to the uterus of the future mother so that they implant, resulting in a pregnancy.

    Sometimes there are medical reasons that make it necessary to resort to double donation, in other words, to donor eggs and also donor sperm. This is known as IVF with donor eggs and donor sperm or double-donation IVF.

    EGG DONATION: SELECTION OF THE DONOR

    EGG DONATION: SELECTION OF THE DONOR

    OVODONACIÓN: LA ELECCIÓN DE LA DONANTE

    The egg donation treatments at Juana Crespo Clinic are fully customized to each individual. At our clinic we seek out the best donor for each patient.

    The criteria for selection of the donor are:

    • In the first place, based on the genetic characteristics of the male partner (after genetic analysis and subsequent study of compatibility with the donor)
    • Secondly, but just as important, based on the female patient’s phenotype (race, skin color, eyes and hair, physical constitution, height and weight, type of hair, blood group and Rh), as stipulated by Law.

    The Juana Crespo Clinic features a very demanding egg donation program. The donors are women from 18 to 30 years of age in very good health. In addition to in-depth psychological, medical, and gynecological evaluations, we carry out testing that detects the main genetic alterations (essential for proper genetic compatibility with the male).and chromosomal alterations.

    At the Juana Crespo Clinic, we treat our donors with maximum care and respect and work to always ensure their safety. At the same time, the patients always have access to healthcare services.

    HIGH PREGNANCY RATES WITH EGG DONATION

    HIGH PREGNANCY RATES WITH EGG DONATION

    In general, egg donation treatments always have very high rates of success, as long as other factors that could cause infertility, mainly uterine factors that hinder embryo implantation, have been eliminated.

    Before transferring the embryo, at Juana Crespo Clinic we try to ensure the maximum chances of successful pregnancy by making sure that the uterus is in the best possible conditions for the pregnancy to be viable.

    WHEN IS A TREATMENT WITH DONOR EGGS RECOMMENDED?

    WHEN IS A TREATMENT WITH DONOR EGGS RECOMMENDED?

    CUÁNDO SE RECOMIENDA UN TRATAMIENTO DE OVODONACIÓN

    At Juana Crespo Clinic, we attempt to produce pregnancy with the patient’s egg cells. Nevertheless, there are cases where donation is the best or the only option to achieve a healthy, viable pregnancy. 

    • Women with ovarian failure due to menopause.
    • Women with low and/or poor egg cell quality.
    • Recurrent failures with IVF (ICSI),
    • Recurrent miscarriages.
    • Poor response to ovarian stimulation.
    • Chromosomal alterations in oocytes or in embryos.
    • Women who have had ovarian surgery.
    • Women over 40 with very limited chances of pregnancy and high risk of diseases such as Down Syndrome.

    What is the egg donation procedure, step by step?

    What is the egg donation procedure, step by step?

    In the egg donation process, it is the egg donor who undergoes the ovarian stimulation process. Once the egg cells are mature, the puncture is scheduled, and the mature oocytes are extracted to be fertilized in the IVF laboratory. After fertilization, the embryos are transferred to the recipient’s uterus, which has undergone prior preparation to enable embryo implantation.

    Initial appointment

    We offer the most complete initial appointment, since before you arrive at our clinic, your case has already been studied and reviewed by the medical committee. At this first appointment, we will dedicate all the time and effort required to offer you a diagnosis and a treatment strategy fully customized to your individual case.

    Selection and assignment of the donor

    Our donor unit follows a rigorous and strict process to select the right donor. In addition to phenotypic similarity, the donor is subjected to a process of psychological, medical, gynecological, and genetic evaluation. We carry out carrier testing on all our donors.

    Puncture of the donor

    After the stimulation phase, the moment has come to extract the egg cells from the donor. The customized protocols, the quality of the donors and the technology utilized ensure that the quality of the punctures in our donation programs is exceptional.

    Preparation of the endometrium

    Preparation of the endometrium is essential for the success of this technique. The team at Juana Crespo Clinic pay special attention to the condition of the uterus and utilize the best techniques during treatment to guarantee that the uterus is in optimal condition at the moment of the embryo transfer.

    Laboratory and embryo cultivation

    In IVF treatments with donor eggs, the eggs harvested from the donor are fertilized with the previously prepared sperm from the patient’s partner. If there is also a masculine factor, it is possible to resort to donor semen. Once fertilization has occurred, the cultivation process continued until reaching the blastocyst stage.

    Previous ultrasound and embryo transfer

    This consists of an in-depth ultrasound scan before the transfer to verify the proper condition of the uterus: access, vascularization, thickness, trilaminar structure, etc. If everything is in proper order, the next step is the embryo transfer, in which the embryo formed in the IVF laboratory is deposited in the woman’s uterus so that it can implant, resulting in pregnancy. The excess embryos will be cryo-preserved for future use.

    Analysis for beta-hCG

    After 10 or 11 days have passed since the embryo transfer, a blood test is carried out to detect small quantities of the hormone beta-hCG (human chorionic gonadotropin).

    Appointment with ultrasound for granting clearance for pregnancy

    After 8 or 9 weeks, we arrange an appointment with the patients. At this appointment, an ultrasound is carried out to view the gestational sac. We hand over to the couple all guidelines and reports, and the patient is discharged.

    SUCCESS RATES WITH EGG DONATION

    SUCCESS RATES WITH EGG DONATION

    At the Juana Crespo Clinic, we have a viable pregnancy rate of 89,80% for egg donation treatments.

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