Could your vaginal bacteria decide if IVF works? scientists launch huge study.
NCT ID NCT06643065
First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 2 times
Summary
This study will test 1,573 women undergoing IVF to see if the types of bacteria in the vagina are linked to pregnancy success. Researchers will collect samples before embryo transfer and analyze the bacterial balance. The goal is to learn whether an imbalance might cause pregnancy failure and if future testing could help improve outcomes.
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 successful, this could lead to routine vaginal microbiome testing and treatments to improve IVF success rates.
What could go wrong
This is an observational study, not a treatment trial. It may find no clear link, or the results may not apply to all fertility patients.
Disclaimer
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This is a summary of
the original study
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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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The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Ginefiv Barcelona
RECRUITINGBarcelona, 08015, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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Ginefiv Madrid
RECRUITINGMadrid, 28043, Spain
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Ginemed Sevilla
RECRUITINGSeville, 41010, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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IVI Barcelona
RECRUITINGBarcelona, 08029, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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IVI Bilbao
RECRUITINGBilbao, 48940, Spain
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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IVI Madrid
RECRUITINGMadrid, 28023, Spain
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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IVI Málaga
RECRUITINGMálaga, 29006, Spain
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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IVI Valencia
RECRUITINGValencia, 46015, Spain
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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IVI Vigo
RECRUITINGVigo, 36203, Spain
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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IVI Zaragoza
RECRUITINGZaragoza, 50018, Spain
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••