Could waiting just 6 more hours boost IUI success?
NCT ID NCT06804538
First seen Oct 31, 2025 · Last updated Jun 23, 2026 · Updated 28 times
Summary
This study tests whether performing intrauterine insemination (IUI) at 42 hours after a hormone trigger shot leads to more live births than the standard 36-hour timing. About 692 women with infertility will be randomly assigned to one of the two timing groups. The goal is to see if a small delay helps eggs and sperm meet at a better moment for fertilization.
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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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Contacts and locations
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Study contacts
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Contact
Email: •••••@•••••
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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CHU Bordeaux
NOT_YET_RECRUITINGBordeaux, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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CHU La Réunion
NOT_YET_RECRUITINGLa Réunion, France
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CHU Poitiers
NOT_YET_RECRUITINGPoitiers, France
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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CHU Toulouse
RECRUITINGToulouse, France
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
intrauterine insemination (IUI) procedure
What this could lead to
If successful, this could show that delaying insemination by a few hours boosts pregnancy and live birth rates for people undergoing IUI.
What could go wrong
This is a timing adjustment, not a new treatment, so the impact may be modest. The trial is still recruiting, and results may not apply to all infertility cases.
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.