Frozen embryo transfer
In a natural-cycle FET, scans and sometimes blood or urine tests track ovulation, and the embryo is warmed and transferred a set number of days later. It needs reasonably regular ovulation.
Also known as: natural FET, NC-FET
Related United Kingdom guides
Sources
Last reviewed: 23 September 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.