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Fertility Glossary

Difficult transfer

A transfer complicated by the shape or narrowness of the cervical canal.

IVF & IUI

Sometimes the catheter cannot pass easily, and a stiffer catheter, a tenaculum, cervical dilation before the cycle or transfer under sedation may be needed. A traumatic transfer with bleeding may reduce the chance of success, which is why mock transfers are useful.

Also known as: cervical stenosis at transfer

Sources

  • Canadian Fertility and Andrology Society (CFAS)

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

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