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Single thawed embryo transfer after PGD does not affect pregnancy rates
Date:6/30/2009

do not have to come at the expense of reducing effectiveness of treatment. You can be responsible and maintain the chances of success for your patients by good clinical judgment and using the appropriate techniques.

"For patients, this provides reassurance that a couple's chance of having a healthy child is not reduced by replacing only one blastocyst and freezing the surplus ones. Those frozen blastocysts do have a very good chance of leading to a healthy pregnancy too, and, therefore, patients will not feel pressurised to have more than one embryo replaced (with the increased risk of multiple pregnancies) in order to make use of their biopsied, unaffected embryos for which, otherwise, they might have little use. Now, these frozen blastocysts offer them the chance of an additional healthy pregnancy without having to go through the whole treatment cycle again."

The first author of the paper in Human Reproduction, Dr Tarek El-Toukhy, a consultant in reproductive medicine and PGD at the assisted conception unit at Guy's and St Thomas' Hospital, said: "This study represents a continuation of our efforts to advance IVF and PGD safety through single blastocyst transfer and embryo freezing."


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Contact: Mary Rice
mary@mrcommunication.org
European Society for Human Reproduction and Embryology
Source:Eurekalert

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