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Infertility Podcast Series: Journey to the Crib: Chapter 22: Cryopreservation of Embryos

By David Kreiner, MD

July 15th, 2013 at 11:09 pm


Welcome to the Journey to the Crib Podcast.  We will have a blog discussion each week with each chapter.  This podcast covers Chapter Twenty-Two: Cryopreservation of Embryos. You, the listener, are invited to ask questions and make comments.  You can access the podcast here:

 Cryopreservation of Embryos

 In 1985, my mentors, Drs. Howard W. Jones Jr and his wife Georgeanna Seegar Jones, the two pioneers of In Vitro Fertilization (IVF) in the Western Hemisphere, proposed the potential benefits of cryopreserving embryos for future transfers.  They predicted that doing so would increase the overall success rate of IVF and make the procedure safer, more efficient and cost effective. 

One fresh IVF cycle might yield enough embryos so that in addition to performing a fresh embryo transfer in the same cycle as the stimulation and retrieval that additional embryos may be preserved for use in future cycles.  This helps to limit the exposure to certain risks confronted in a fresh cycle such as the use of injectable stimulation hormones, the egg retrieval and general anesthesia.  It also allows patients to minimize their risk for a multiple pregnancy since embryos can be divided for multiple transfers.

At Long Island IVF, we are realizing the Jones’ dream of safer, more efficient and cost- effective IVF, as well as increasing the overall success of IVF. 

Today, an estimated 25% of all assisted reproductive technology babies worldwide are now born after freezing.  Studies performed in Sweden revealed that babies born after being frozen had at least as good obstetric outcome and malformation rates as with fresh IVF.  Slow freezing of embryos has been utilized for 25 years and data concerning infant outcome appear reassuring relative to fresh IVF. 

I personally have pushed to promote the concept of removing the financial pressure to put all your eggs in one basket by eliminating the cost of cryopreservation and storage for those patients transferring a single embryo.  Furthermore, such a patient may go through three frozen embryo transfers to conceive for the price of one at our program.  We truly believe we are practicing the most successful, safe and cost effective IVF utilizing cryopreservation.

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