Frozen embryo transfer: one extra day could boost success rates
NCT ID NCT05980091
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at whether transferring a frozen embryo on day 6 or day 7 of progesterone treatment leads to more live births. It includes 316 women aged 18-43 who have at least one high-quality, genetically normal embryo. Researchers will track pregnancy and miscarriage rates to find the optimal timing.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
Estradiol valerate and progesterone
What this could lead to
If successful, this could help doctors choose the best day to transfer embryos, potentially improving pregnancy and live birth rates for women using frozen embryos.
What could go wrong
This is an early-phase study that is currently suspended, so results are not yet available. The timing difference may not significantly affect outcomes, and individual factors could still play a large role.
Disclaimer
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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ART Fertility Clinics Dubai
Dubai, United Arab Emirates
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ART Fertility Clinics LLC
Abu Dhabi, Abu Dhabi Emirate, 60202, United Arab Emirates