Blastocyst Transfer

Update on PGD/PGS

The treatment of infertility, especially when using in Vitro Fertilization, can be a difficult process. It is a process that can be conducted in many different ways, depending on the philosophy of the doctors responsible for determining the protocol that will be used.
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Importance of Individualized Care

Age and Fertility

Women in their twenties have a good chance of becoming pregnant as a result of a relatively greater number of eggs in their ovaries. Additionally, a larger percentage of those eggs are normal genetically.
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Blastocyst transfer in IVF Until recently, most embryos have been transferred at the four to eight cell stages. However, new information about the physiologic requirements of developing embryos has led to the production of nutrient media which allows embryonic development to progress to the blastocyst stage. Blastocyst transfers in this advanced stage of development is associated with a high rate of implantation and subsequent pregnancy success.

Healthy blastocysts are chosen for highest pregnancy success rates. Accumulated data suggests that implantation rates of 50% and pregnancy success rates of 60 - 70% can be achieved, despite an average of just two to three embryos transferred. Because of this efficiency, fewer embryos are necessary for transfer if the blastocyst stage can be reached. With further refinement, it may be possible to transfer only one or two blastocysts, which again avoids the complications imposed by multiple gestation (pregnancy with multiples).