Egg freezing showdown: does the type of freezing medium affect pregnancy?

NCT ID NCT07288866

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study looked at whether using a special freezing medium designed just for eggs, versus a universal medium for all stages, affects pregnancy rates in egg donation. Researchers analyzed data from 111 donor cycles. The goal is to see if the type of freezing medium makes a difference in how many eggs survive thawing and lead to a pregnancy.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

Vitrification and warming media

What this could lead to

If successful, this could help fertility clinics choose the best freezing method for donor eggs, potentially improving pregnancy success rates.

What could go wrong

This is a small, completed study with 111 participants, so results may not apply to all clinics or patient groups. The difference between media types may be small or not clinically meaningful.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

female infertility infertility disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • CHU Clermont-Ferrand

    Clermont-Ferrand, Auvergne, 63003, France