Comparison of the offspring sex ratio between fresh and vitrification-thawed blastocyst transfer.

Fertil Steril

Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Chang Gung University College of Medicine, Kaohsiung, Taiwan.

Published: November 2009

There was a significant difference in the sex ratio between offspring from fresh and from vitrification-thawed blastocyst transfer. The live birth sex ratio influenced by the blastocyst-stage embryo transfer correlated with top-quality embryo morphology.

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http://dx.doi.org/10.1016/j.fertnstert.2009.05.011DOI Listing

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