What is Frozen Embryo Transfer?
A frozen embryo transfer (FET) is when cryopreserved embryos are thawed and transferred to a woman’s uterus. Patients may ask to freeze and store any extra embryos that are not used in their first cycle for a variety of reasons. They may want a second child or have had a failed initial cycle. In some cases, their hormonal profile and/or their uterine lining is not optimal during a fresh IVF cycle. Before the embryos are transferred, blood tests and ultrasound scans are conducted. This enables the physician to identify the appropriate point in the patient’s cycle to transfer the embryos. Some patients may need to take hormone medication to prepare for the transfer.