Known oocyte donors

A recipient couple can select an egg donor from among their family and friends, and then undergo the necessary procedures at clinique ovo. The donor must be age 35 or under, and meet all other criteria for becoming a donor. The selection criteria are in place to protect the health and safety of the donor and of any child resulting from the donation, as well as to ensure an adequate success rate.




1. Consultation with a physician

RECIPIENTS: The physician takes the recipient couple’s medical and fertility history, and prescribes the necessary tests.
DONOR : The physician takes the donor’s medical and reproductive history, explains the procedure in detail and, if the donor appears to be eligible, prescribes the necessary tests. A nurse then meets with the potential donor to fill out a questionnaire on her medical and genetic history.

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    20865, chemin de la Côte Nord, suite 201
    Boisbriand Qc J7E 4H5
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2. Tests
Following the consultation, all parties involved must undergo the tests prescribed by the physician. Most of the tests can be done in the public system, but some must be done at clinique ovo or at another specialized fertility centre.


Pre-conception and pre-donation work-up: A blood test and standard gynecological examination are prescribed for the recipient, and a blood test for her male partner (where applicable). These tests are intended to screen for infectious diseases that could be transmitted to the fetus or pose a risk to the pregnancy.
Pelvic ultrasound: An ultrasound is prescribed for the recipient to evaluate her uterus and ovaries, and to screen for any abnormalities. Depending on the recipient’s history and the ultrasound results, further testing may be requested.
Semen analysis: The recipient’s male partner (where applicable) will undergo a semen analysis to evaluate the quality of his sperm. Depending on the patient’s history and the results of the semen analysis, further testing or a Urology consultation may be requested.


Metabolic work-up: An additional blood test will be prescribed to evaluate metabolic function.
Electrocardiogram: An electrocardiogram may be prescribed to rule out a heart problem or abnormal blood pressure.
Mammogram: A mammogram is recommended but not mandatory for all patients age 43 or older. It may be requested for patients with a family history of breast cancer, or depending on the patient’s situation.
Consultation in Obstetrics: A consultation in Obstetrics is required for all patients age 43 or older, as well as for all patients who present with a medical indication for this type of examination. The consultation will consist in an evaluation of the recipient’s overall health in view of a pregnancy, and a discussion of any additional risk associated with a possible pregnancy.
Pre-conception and pre-donation work-up: A blood test and a standard gynecological examination are prescribed for the donor. These tests are intended to screen for infectious diseases that could be transmitted during the treatment.
Ovarian reserve test: This test involves an ultrasound and hormone tests, which must be done at the start of the menstrual cycle to assess the donor’s fertility and confirm that she is a good candidate for ovarian stimulation.
Genetic testing: Genetic tests may be prescribed for the donor, depending on her history and the recipient couple’s wishes. In the case of a positive test or a family or personal history of a genetic abnormality, a Genetics consultation will be ordered.


3. Psychological evaluation
All parties involved in the treatment must meet with a psychologist who specializes in fertility treatments. The purpose of this meeting is to discuss the implications of the treatment, evaluate each person’s ability to consent to the treatment in a voluntary and informed manner, and discuss the future relationship between the donor and the recipient couple. In some cases, a more extensive evaluation may be requested.

4. Follow-up with the physician
Once all the test are completed, the recipient couple and the donor will see the physician to discuss the results, confirm their eligibility for the egg donation program, and get the prescriptions for the treatment.

5. Meeting with a specialized nurse
Following the meeting with the physician and as soon as the file is complete and all parties are ready to proceed, the recipient couple and the donor will meet with a nurse specialized in egg donation. She will explain the treatment protocols in detail, and calculate the treatment dates based on the prescribed protocols and the menstrual cycles of the donor and the recipient. She will also have the recipient couple and the donor sign the necessary consent forms and answer any remaining questions. The nurse will then follow up on the file throughout the treatment.

6. Treatment

RECIPIENT: The recipient is given medications to prepare her endometrium for an embryo transfer. The protocol may differ depending on the patient’s file, and whether or not she still has a menstrual cycle. The absence of a menstrual cycle due to menopause or the absence of ovaries is not generally a problem.
DONOR: The donor is normally given medications to stimulate the growth of her follicles. These medications are generally administered by subcutaneous injection. During the last week of treatment, ultrasounds will be done at clinique ovo approximately every two days, but the dates may vary depending on the donor’s response to stimulation. The treatment will culminate in an egg retrieval done under local anesthesia and intravenous sedation. The procedure takes about 15 30 minutes, and the donor must remain under observation at the clinic for about one hour.

6. Fertilization, transfer, and pregnancy test
Following the egg retrieval, all mature eggs collected are fertilized with sperm from the male partner or a donor (depending on the situation). The embryos are left to develop in our laboratory for 2-5 days, after which an embryo transfer is performed. Except in certain rare situations, only one embryo is transferred into the recipient’s uterus. If there are several good quality embryos, the supernumerary embryos may be frozen for future use, in the event the treatment fails or for a second pregnancy. A blood pregnancy test is done two weeks after the transfer.

There is no guarantee that the embryos will develop normally or that an embryo transfer will take place. There is also no guarantee that a pregnancy will occur following the treatment.