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Frozen Embryo Transfer (FET)

A Frozen Embryo Transfer (FET) is a cycle during which frozen embryos from a previous fresh in vitro fertilization cycle (or donor egg cycle) are thawed and then transferred into a woman’s uterus.

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Why Choose Frozen Embryo Transfer

Frozen Embryo Transfer (FET) has been shown to increase implantation rates and improve obstetrical outcomes. FET is also considered a healthier implantation process in that it allows for a better connection between the placenta and the mother. In addition, frozen cycles, versus fresh transfer cycles, show higher birth weight deliveries and lower risk of prematurity.

FET also allows for optimal timing and a more natural transfer experience since the embryo can be cryopreserved or “frozen” until your hormone levels return to a more natural, receptive state, usually on their next cycle.

Preparing for Frozen Embryo Transfer

Preparation for a FET involves blood tests and ultrasound monitoring so that an optimal time for implantation can be established. In some cases, you may also be given hormone medications in order to increase the chances of conception.

FET is an outpatient procedure that does not require sedation. After the transfer is completed, there is minimal downtime, discomfort, or side effects. Frozen embryos remain viable for well over ten years, so you may schedule implantation whenever the timing and conditions feel right.

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Frozen Embryo Transfer Success Rates

Based on published data and large trials from RMA and other fertility programs around the world, RMA has now made Frozen Embryo Transfer (FET) a standard of care for all patients undergoing IVF.

And now, with Pre-Implantation Genetic Testing for Aneuploidy (PGT-A), RMA doctors can identify the healthiest embryos for transfer in advance of implantation. Embryos that are imbalanced, with too few or too many chromosomes, often result in a failed IVF cycle or miscarriage. RMA only uses The Foundation for Embryonic Competence, a non-profit reference laboratory, for embryonic screening.

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