A fresh(er) perspective on frozen embryo transfers


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Volume 106, Issue 2, Pages 257-259


Nigel Pereira, M.D., Zev Rosenwaks, M.D.


In the past decade, we have witnessed a rapid rise in the number of frozen-thawed embryo transfers (FET). Nationally, it has been estimated that the number of FET cycles has increased by 82.5% between 2006 and 2012, while the number of fresh ET cycles has increased by only 3.1% during the same time interval (1). These trends are intriguing given that embryo cryopreservation was traditionally used to cryopreserve supernumerary good-quality embryos or for reducing the incidence of ovarian hyperstimulation syndrome (OHSS) in patients at risk.

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Fertility and Sterility

Editorial Office, American Society for Reproductive Medicine

Fertility and Sterility┬« is an international journal for obstetricians, gynecologists, reproductive endocrinologists, urologists, basic scientists and others who treat and investigate problems of infertility and human reproductive disorders.