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

NCT ID NCT06053827

First seen Jan 05, 2026 · Last updated May 13, 2026 · Updated 24 times

Summary

This study looked at over 1,200 women under 40 who had a frozen embryo transfer as part of IVF. Some women had a natural cycle with no hormones, while others took estrogen and progesterone to prepare the womb. The goal was to see which approach leads to more pregnancies. The results help doctors decide if the convenience of scheduling hormone cycles is worth it compared to natural cycles.

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Contacts and locations

Locations

  • Clinique Ovo

    Montreal, Quebec, H4P 2S4, Canada

Conditions

Explore the condition pages connected to this study.