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Wunschbaby Institut Feichtinger

Embryonic Cryopreservation

Multiple eggs can be frozen if they have been extracted and fertilized during IVF or ICSI treatment. It only makes sense to preserve good quality embryos, since their “survival rate” is nearly 70% after unfreezing. Frozen embryos are a chance for a new pregnancy without further hormone stimulation or follicle punctures.

The so-called “cycle-monitoring” keeps track of follicle growth and endometrium structure; cryo-embryos can only be implanted starting from the moment of natural or medication-induced ovulation. The unfrozen embryos will be implanted through the cervix into the uterus using a thin, flexible catheter. Yellow body hormones will be supplied in the form of pills from the beginning of ovulation, to prepare the endometrium for nidation. Pregnancy can be determined two weeks after ovulation by measuring levels of the hormone hCG in blood or urine or by a pregnancy test.

The chance for successful pregnancy using cryo-embryo transfer is 30-40% per cycle, depending on the age of the couple, hormone levels, disease (Diabetes mellitus, hypertension, etc.) and lifestyle (excess weight, stress, alcohol and nicotine use …).

Any questions?

If you have any questions, you can either direct them at one of our specialists via the form below or call our friendly receptionists under +43/1/877 77 75 and have an appointment scheduled.


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Wunschbaby Institut Feichtinger Wien

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01 877 77 75

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