IVF scheduling showdown: natural cycle vs hormone cycle for embryo transfer

NCT ID NCT06053827

Completed Knowledge-focused Sponsor: Clinique Ovo Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at over 1,200 women under 40 who had a frozen embryo transfer. Some used a natural cycle with no hormones, while others took estrogen and progesterone to mimic a natural cycle. The goal was to see which method leads to more pregnancies. Results could help clinics decide the best way to schedule transfers.

What this could mean

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

What this could lead to: If this study shows one method works better, it could help doctors choose the best approach for frozen embryo transfers, potentially improving pregnancy success rates.
What could go wrong: This is a completed observational study, not a controlled trial, so results may not apply to all patients. Differences in pregnancy rates could be small or due to other factors.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

infertility disorder

As listed by the trial registrant

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

FERTILITY DISORDERS

Contacts and locations

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Locations

Clinique Ovo

Montreal, Quebec, H4P 2S4, Canada

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