Mock embryo transfer

A mock transfer measures the depth and direction of the cervical canal before the real transfer, so the catheter can be chosen and placed smoothly on the day. It is often done at the pre-treatment visit.

Also known as: trial transfer, uterine sounding

Last reviewed: September 9, 2026. Written by the Antega Editorial Team. General information only — always follow the advice of your own clinic, doctor or pharmacist.